133103994 has 32 divisors (see below), whose sum is σ = 269861760. Its totient is φ = 43763712.

The previous prime is 133103989. The next prime is 133104043. The reversal of 133103994 is 499301331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158227 + ... + 159065.

It is an arithmetic number, because the mean of its divisors is an integer number (8433180).

Almost surely, 2^133103994 is an apocalyptic number.

133103994 is an abundant number, since it is smaller than the sum of its proper divisors (136757766).

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

133103994 is a wasteful number, since it uses less digits than its factorization.

133103994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 133103994 is about 11537.0704253723. The cubic root of 133103994 is about 510.5798786727.

The spelling of 133103994 in words is "one hundred thirty-three million, one hundred three thousand, nine hundred ninety-four".