140366772 has 108 divisors (see below), whose sum is σ = 444567396. Its totient is φ = 37013760.

The previous prime is 140366771. The next prime is 140366783. The reversal of 140366772 is 277663041.

It can be written as a sum of positive squares in 2 ways, for example, as 18352656 + 122014116 = 4284^2 + 11046^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140366771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19872 + ... + 25992.

Almost surely, 2^140366772 is an apocalyptic number.

140366772 is a gapful number since it is divisible by the number (12) 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 140366772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222283698).

140366772 is an abundant number, since it is smaller than the sum of its proper divisors (304200624).

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

140366772 is a wasteful number, since it uses less digits than its factorization.

140366772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158 (or 6146 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 140366772 is about 11847.6483742555. The cubic root of 140366772 is about 519.7024579852.

The spelling of 140366772 in words is "one hundred forty million, three hundred sixty-six thousand, seven hundred seventy-two".