1149139168 has 24 divisors (see below), whose sum is σ = 2263123800. Its totient is φ = 574377600.

The previous prime is 1149139141. The next prime is 1149139169. The reversal of 1149139168 is 8619319411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149139169) 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, 179283 + ... + 185581.

It is an arithmetic number, because the mean of its divisors is an integer number (94296825).

Almost surely, 2^1149139168 is an apocalyptic number.

It is an amenable number.

1149139168 is a deficient number, since it is larger than the sum of its proper divisors (1113984632).

1149139168 is an equidigital number, since it uses as much as digits as its factorization.

1149139168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010 (or 12002 counting only the distinct ones).

The product of its digits is 46656, while the sum is 43.

The square root of 1149139168 is about 33898.9552641376. The cubic root of 1149139168 is about 1047.4280720638.

The spelling of 1149139168 in words is "one billion, one hundred forty-nine million, one hundred thirty-nine thousand, one hundred sixty-eight".