3158507538 has 12 divisors (see below), whose sum is σ = 6843433038. Its totient is φ = 1052835840.

The previous prime is 3158507533. The next prime is 3158507549. The reversal of 3158507538 is 8357058513.

3158507538 is a `hidden beast` number, since 31 + 5 + 85 + 0 + 7 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2718892449 + 439615089 = 52143^2 + 20967^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3158507493 and 3158507502.

It is not an unprimeable number, because it can be changed into a prime (3158507531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87736303 + ... + 87736338.

Almost surely, 2^3158507538 is an apocalyptic number.

3158507538 is an abundant number, since it is smaller than the sum of its proper divisors (3684925500).

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

3158507538 is a wasteful number, since it uses less digits than its factorization.

3158507538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175472649 (or 175472646 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 3158507538 is about 56200.6008686740. The cubic root of 3158507538 is about 1467.2157237583.

The spelling of 3158507538 in words is "three billion, one hundred fifty-eight million, five hundred seven thousand, five hundred thirty-eight".