1136091918 has 16 divisors (see below), whose sum is σ = 2446967376. Its totient is φ = 349566720.

The previous prime is 1136091917. The next prime is 1136091967. The reversal of 1136091918 is 8191906311.

It is a super-2 number, since 2×1136091918² = 2581409692289837448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136091911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7282563 + ... + 7282718.

It is an arithmetic number, because the mean of its divisors is an integer number (152935461).

Almost surely, 2^1136091918 is an apocalyptic number.

1136091918 is an abundant number, since it is smaller than the sum of its proper divisors (1310875458).

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

1136091918 is a wasteful number, since it uses less digits than its factorization.

1136091918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565299.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 1136091918 is about 33705.9626475791. The cubic root of 1136091918 is about 1043.4488308504.

The spelling of 1136091918 in words is "one billion, one hundred thirty-six million, ninety-one thousand, nine hundred eighteen".