140366880 has 144 divisors (see below), whose sum is σ = 484009344. Its totient is φ = 37040640.

The previous prime is 140366879. The next prime is 140366881. The reversal of 140366880 is 88663041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140366879) and next prime (140366881).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×140366880² = 39405722001868800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (140366881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153625 + ... + 154535.

It is an arithmetic number, because the mean of its divisors is an integer number (3361176).

Almost surely, 2^140366880 is an apocalyptic number.

140366880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140366880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242004672).

140366880 is an abundant number, since it is smaller than the sum of its proper divisors (343642464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140366880 is a wasteful number, since it uses less digits than its factorization.

140366880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 140366880 is about 11847.6529321212. The cubic root of 140366880 is about 519.7025912737.

It can be divided in two parts, 140366 and 880, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 140366880 in words is "one hundred forty million, three hundred sixty-six thousand, eight hundred eighty".