1137018636 has 36 divisors (see below), whose sum is σ = 3095218672. Its totient is φ = 349851744.

The previous prime is 1137018613. The next prime is 1137018647. The reversal of 1137018636 is 6368107311.

1137018636 is a `hidden beast` number, since 1 + 1 + 3 + 7 + 0 + 18 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1137018636² = 2585622757222600992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1137018636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214296 + ... + 1215231.

Almost surely, 2^1137018636 is an apocalyptic number.

It is an amenable number.

1137018636 is an abundant number, since it is smaller than the sum of its proper divisors (1958200036).

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

1137018636 is a wasteful number, since it uses less digits than its factorization.

1137018636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429550 (or 2429545 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1137018636 is about 33719.7069382283. The cubic root of 1137018636 is about 1043.7324698742.

The spelling of 1137018636 in words is "one billion, one hundred thirty-seven million, eighteen thousand, six hundred thirty-six".