1538713858 has 16 divisors (see below), whose sum is σ = 2534575680. Its totient is φ = 694782000.

The previous prime is 1538713853. The next prime is 1538713859. The reversal of 1538713858 is 8583178351.

It is not an unprimeable number, because it can be changed into a prime (1538713853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228273 + ... + 234916.

It is an arithmetic number, because the mean of its divisors is an integer number (158410980).

Almost surely, 2^1538713858 is an apocalyptic number.

1538713858 is a deficient number, since it is larger than the sum of its proper divisors (995861822).

1538713858 is a wasteful number, since it uses less digits than its factorization.

1538713858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463353.

The product of its digits is 806400, while the sum is 49.

The square root of 1538713858 is about 39226.4433513924. The cubic root of 1538713858 is about 1154.4787808342.

The spelling of 1538713858 in words is "one billion, five hundred thirty-eight million, seven hundred thirteen thousand, eight hundred fifty-eight".