1056138076 has 24 divisors (see below), whose sum is σ = 2117870720. Its totient is φ = 451431792.

The previous prime is 1056138067. The next prime is 1056138089. The reversal of 1056138076 is 6708316501.

It is a super-2 number, since 2×1056138076² = 2230855271153963552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39150 + ... + 60373.

Almost surely, 2^1056138076 is an apocalyptic number.

It is an amenable number.

1056138076 is an abundant number, since it is smaller than the sum of its proper divisors (1061732644).

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

1056138076 is a wasteful number, since it uses less digits than its factorization.

1056138076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99913 (or 99911 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1056138076 is about 32498.2780466904. The cubic root of 1056138076 is about 1018.3730554414.

The spelling of 1056138076 in words is "one billion, fifty-six million, one hundred thirty-eight thousand, seventy-six".