1057136258 has 16 divisors (see below), whose sum is σ = 1655349696. Its totient is φ = 505372560.

The previous prime is 1057136233. The next prime is 1057136261. The reversal of 1057136258 is 8526317501.

It is a super-2 number, since 2×1057136258² = 2235074135956485128, which contains 22 as substring.

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, 181268 + ... + 187008.

It is an arithmetic number, because the mean of its divisors is an integer number (103459356).

Almost surely, 2^1057136258 is an apocalyptic number.

1057136258 is a deficient number, since it is larger than the sum of its proper divisors (598213438).

1057136258 is a wasteful number, since it uses less digits than its factorization.

1057136258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9769.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1057136258 is about 32513.6318795671. The cubic root of 1057136258 is about 1018.6937842040.

The spelling of 1057136258 in words is "one billion, fifty-seven million, one hundred thirty-six thousand, two hundred fifty-eight".