133013968 has 20 divisors (see below), whose sum is σ = 268920288. Its totient is φ = 63615200.

The previous prime is 133013953. The next prime is 133013983. The reversal of 133013968 is 869310331.

133013968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133013953) and next prime (133013983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180358 + ... + 181093.

Almost surely, 2^133013968 is an apocalyptic number.

It is an amenable number.

133013968 is an abundant number, since it is smaller than the sum of its proper divisors (135906320).

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

133013968 is a wasteful number, since it uses less digits than its factorization.

133013968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361482 (or 361476 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 133013968 is about 11533.1681683742. The cubic root of 133013968 is about 510.4647410531.

The spelling of 133013968 in words is "one hundred thirty-three million, thirteen thousand, nine hundred sixty-eight".