1233136768 has 32 divisors (see below), whose sum is σ = 2460240000. Its totient is φ = 615664896.

The previous prime is 1233136763. The next prime is 1233136771. The reversal of 1233136768 is 8676313321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1233136768.

It is not an unprimeable number, because it can be changed into a prime (1233136763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85333 + ... + 98731.

It is an arithmetic number, because the mean of its divisors is an integer number (76882500).

Almost surely, 2^1233136768 is an apocalyptic number.

It is an amenable number.

1233136768 is a deficient number, since it is larger than the sum of its proper divisors (1227103232).

1233136768 is an equidigital number, since it uses as much as digits as its factorization.

1233136768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132 (or 14120 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 1233136768 is about 35116.0471579590. The cubic root of 1233136768 is about 1072.3512994339.

The spelling of 1233136768 in words is "one billion, two hundred thirty-three million, one hundred thirty-six thousand, seven hundred sixty-eight".