57412765138 has 16 divisors (see below), whose sum is σ = 89094447000. Its totient is φ = 27714742272.

The previous prime is 57412765133. The next prime is 57412765199. The reversal of 57412765138 is 83156721475.

It can be written as a sum of positive squares in 4 ways, for example, as 51330792969 + 6081972169 = 226563^2 + 77987^2 .

It is a super-2 number, since 2×57412765138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57412765091 and 57412765100.

It is not an unprimeable number, because it can be changed into a prime (57412765133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701778 + ... + 1735186.

Almost surely, 2^57412765138 is an apocalyptic number.

57412765138 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57412765138 is a deficient number, since it is larger than the sum of its proper divisors (31681681862).

57412765138 is a wasteful number, since it uses less digits than its factorization.

57412765138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63069.

The product of its digits is 1411200, while the sum is 49.

The spelling of 57412765138 in words is "fifty-seven billion, four hundred twelve million, seven hundred sixty-five thousand, one hundred thirty-eight".