133312970 has 16 divisors (see below), whose sum is σ = 274243968. Its totient is φ = 45707280.

The previous prime is 133312957. The next prime is 133313057. The reversal of 133312970 is 79213331.

It is a Curzon 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, 952166 + ... + 952305.

It is an arithmetic number, because the mean of its divisors is an integer number (17140248).

Almost surely, 2^133312970 is an apocalyptic number.

133312970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133312970 is an abundant number, since it is smaller than the sum of its proper divisors (140930998).

133312970 is a wasteful number, since it uses less digits than its factorization.

133312970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904485.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 133312970 is about 11546.1235919247. The cubic root of 133312970 is about 510.8469459142.

The spelling of 133312970 in words is "one hundred thirty-three million, three hundred twelve thousand, nine hundred seventy".