1138807156 has 12 divisors (see below), whose sum is σ = 1993680640. Its totient is φ = 569184120.

The previous prime is 1138807147. The next prime is 1138807183. The reversal of 1138807156 is 6517088311.

It is a super-3 number, since 3×1138807156³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42900 + ... + 64171.

Almost surely, 2^1138807156 is an apocalyptic number.

It is an amenable number.

1138807156 is a deficient number, since it is larger than the sum of its proper divisors (854873484).

1138807156 is a wasteful number, since it uses less digits than its factorization.

1138807156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109734 (or 109732 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1138807156 is about 33746.2169139001. The cubic root of 1138807156 is about 1044.2794437484.

The spelling of 1138807156 in words is "one billion, one hundred thirty-eight million, eight hundred seven thousand, one hundred fifty-six".