1149535968 has 48 divisors (see below), whose sum is σ = 3448609920. Its totient is φ = 328438656.

The previous prime is 1149535957. The next prime is 1149535991. The reversal of 1149535968 is 8695359411.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1149535968.

It is a congruent number.

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, 854638 + ... + 855981.

It is an arithmetic number, because the mean of its divisors is an integer number (71846040).

Almost surely, 2^1149535968 is an apocalyptic number.

It is an amenable number.

1149535968 is an abundant number, since it is smaller than the sum of its proper divisors (2299073952).

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

1149535968 is a wasteful number, since it uses less digits than its factorization.

1149535968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710639 (or 1710631 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 1149535968 is about 33904.8074467324. The cubic root of 1149535968 is about 1047.5486178432.

The spelling of 1149535968 in words is "one billion, one hundred forty-nine million, five hundred thirty-five thousand, nine hundred sixty-eight".