1133765128 has 32 divisors (see below), whose sum is σ = 2272354560. Its totient is φ = 529006720.

The previous prime is 1133765119. The next prime is 1133765147. The reversal of 1133765128 is 8215673311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67600 + ... + 82687.

It is an arithmetic number, because the mean of its divisors is an integer number (71011080).

Almost surely, 2^1133765128 is an apocalyptic number.

It is an amenable number.

1133765128 is an abundant number, since it is smaller than the sum of its proper divisors (1138589432).

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

1133765128 is a wasteful number, since it uses less digits than its factorization.

1133765128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150357 (or 150353 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 1133765128 is about 33671.4289569065. The cubic root of 1133765128 is about 1042.7359936686.

The spelling of 1133765128 in words is "one billion, one hundred thirty-three million, seven hundred sixty-five thousand, one hundred twenty-eight".