1136693808 has 30 divisors (see below), whose sum is σ = 3181164324. Its totient is φ = 378897888.

The previous prime is 1136693801. The next prime is 1136693813. The reversal of 1136693808 is 8083966311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1136693801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3946710 + ... + 3946997.

Almost surely, 2^1136693808 is an apocalyptic number.

1136693808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1136693808 is an abundant number, since it is smaller than the sum of its proper divisors (2044470516).

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

1136693808 is a wasteful number, since it uses less digits than its factorization.

1136693808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893721 (or 7893712 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1136693808 is about 33714.8900042696. The cubic root of 1136693808 is about 1043.6330678619.

The spelling of 1136693808 in words is "one billion, one hundred thirty-six million, six hundred ninety-three thousand, eight hundred eight".