133068393 has 16 divisors (see below), whose sum is σ = 197851200. Its totient is φ = 88391520.

The previous prime is 133068373. The next prime is 133068407. The reversal of 133068393 is 393860331.

It is not a de Polignac number, because 133068393 - 2⁸ = 133068137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133068373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (12365700).

Almost surely, 2^133068393 is an apocalyptic number.

It is an amenable number.

133068393 is a deficient number, since it is larger than the sum of its proper divisors (64782807).

133068393 is a wasteful number, since it uses less digits than its factorization.

133068393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17829 (or 17823 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 133068393 is about 11535.5274261735. The cubic root of 133068393 is about 510.5343534295.

The spelling of 133068393 in words is "one hundred thirty-three million, sixty-eight thousand, three hundred ninety-three".