1136390668 has 24 divisors (see below), whose sum is σ = 2301555200. Its totient is φ = 480858768.

The previous prime is 1136390641. The next prime is 1136390669. The reversal of 1136390668 is 8660936311.

It is not an unprimeable number, because it can be changed into a prime (1136390669) 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, 254658 + ... + 259081.

Almost surely, 2^1136390668 is an apocalyptic number.

It is an amenable number.

1136390668 is an abundant number, since it is smaller than the sum of its proper divisors (1165164532).

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

1136390668 is a wasteful number, since it uses less digits than its factorization.

1136390668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513829 (or 513827 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1136390668 is about 33710.3940647391. The cubic root of 1136390668 is about 1043.5402856035.

The spelling of 1136390668 in words is "one billion, one hundred thirty-six million, three hundred ninety thousand, six hundred sixty-eight".