657154136 has 16 divisors (see below), whose sum is σ = 1232687400. Its totient is φ = 328437504.

The previous prime is 657154097. The next prime is 657154189. The reversal of 657154136 is 631451756.

It is a self number, because there is not a number n which added to its sum of digits gives 657154136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4136 + ... + 36488.

Almost surely, 2^657154136 is an apocalyptic number.

It is an amenable number.

657154136 is a deficient number, since it is larger than the sum of its proper divisors (575533264).

657154136 is a wasteful number, since it uses less digits than its factorization.

657154136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34898 (or 34894 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 657154136 is about 25635.0177686695. The cubic root of 657154136 is about 869.4055639034.

The spelling of 657154136 in words is "six hundred fifty-seven million, one hundred fifty-four thousand, one hundred thirty-six".