1156136564 has 12 divisors (see below), whose sum is σ = 2207169888. Its totient is φ = 525516600.

The previous prime is 1156136563. The next prime is 1156136617. The reversal of 1156136564 is 4656316511.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156136563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13137872 + ... + 13137959.

It is an arithmetic number, because the mean of its divisors is an integer number (183930824).

Almost surely, 2^1156136564 is an apocalyptic number.

It is an amenable number.

1156136564 is a deficient number, since it is larger than the sum of its proper divisors (1051033324).

1156136564 is a wasteful number, since it uses less digits than its factorization.

1156136564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26275846 (or 26275844 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 1156136564 is about 34002.0082348087. The cubic root of 1156136564 is about 1049.5497885462.

The spelling of 1156136564 in words is "one billion, one hundred fifty-six million, one hundred thirty-six thousand, five hundred sixty-four".