1113912036 has 18 divisors (see below), whose sum is σ = 2815722182. Its totient is φ = 371304000.

The previous prime is 1113912001. The next prime is 1113912083. The reversal of 1113912036 is 6302193111.

It can be written as a sum of positive squares in only one way, i.e., 994140900 + 119771136 = 31530^2 + 10944^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15470965 + ... + 15471036.

Almost surely, 2^1113912036 is an apocalyptic number.

It is an amenable number.

1113912036 is an abundant number, since it is smaller than the sum of its proper divisors (1701810146).

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

1113912036 is a wasteful number, since it uses less digits than its factorization.

1113912036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30942011 (or 30942006 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1113912036 is about 33375.3207625035. The cubic root of 1113912036 is about 1036.6137508559.

The spelling of 1113912036 in words is "one billion, one hundred thirteen million, nine hundred twelve thousand, thirty-six".