1136921764 has 12 divisors (see below), whose sum is σ = 2170487088. Its totient is φ = 516782600.

The previous prime is 1136921749. The next prime is 1136921789. The reversal of 1136921764 is 4671296311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12919522 + ... + 12919609.

It is an arithmetic number, because the mean of its divisors is an integer number (180873924).

Almost surely, 2^1136921764 is an apocalyptic number.

It is an amenable number.

1136921764 is a deficient number, since it is larger than the sum of its proper divisors (1033565324).

1136921764 is a wasteful number, since it uses less digits than its factorization.

1136921764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25839146 (or 25839144 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 1136921764 is about 33718.2704775912. The cubic root of 1136921764 is about 1043.7028276385.

It can be divided in two parts, 11369 and 21764, that added together give a palindrome (33133).

The spelling of 1136921764 in words is "one billion, one hundred thirty-six million, nine hundred twenty-one thousand, seven hundred sixty-four".