140657364 has 24 divisors (see below), whose sum is σ = 364667520. Its totient is φ = 46885752.

The previous prime is 140657359. The next prime is 140657383. The reversal of 140657364 is 463756041.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651084 + ... + 651299.

It is an arithmetic number, because the mean of its divisors is an integer number (15194480).

Almost surely, 2^140657364 is an apocalyptic number.

It is an amenable number.

140657364 is an abundant number, since it is smaller than the sum of its proper divisors (224010156).

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

140657364 is a wasteful number, since it uses less digits than its factorization.

140657364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302396 (or 1302388 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 140657364 is about 11859.9057331835. The cubic root of 140657364 is about 520.0608459373.

The spelling of 140657364 in words is "one hundred forty million, six hundred fifty-seven thousand, three hundred sixty-four".