140776944 has 160 divisors (see below), whose sum is σ = 464970240. Its totient is φ = 35635200.

The previous prime is 140776943. The next prime is 140776967. The reversal of 140776944 is 449677041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 140776896 and 140776905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140776943) 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 31 ways as a sum of consecutive naturals, for example, 151072 + ... + 152000.

It is an arithmetic number, because the mean of its divisors is an integer number (2906064).

Almost surely, 2^140776944 is an apocalyptic number.

140776944 is a gapful number since it is divisible by the number (14) 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 140776944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232485120).

140776944 is an abundant number, since it is smaller than the sum of its proper divisors (324193296).

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

140776944 is a wasteful number, since it uses less digits than its factorization.

140776944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 140776944 is about 11864.9460175763. The cubic root of 140776944 is about 520.2081809439.

The spelling of 140776944 in words is "one hundred forty million, seven hundred seventy-six thousand, nine hundred forty-four".