133312570 has 16 divisors (see below), whose sum is σ = 240099840. Its totient is φ = 53294544.

The previous prime is 133312549. The next prime is 133312573. The reversal of 133312570 is 75213331.

It is not an unprimeable number, because it can be changed into a prime (133312573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24739 + ... + 29641.

It is an arithmetic number, because the mean of its divisors is an integer number (15006240).

Almost surely, 2^133312570 is an apocalyptic number.

133312570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133312570 is a deficient number, since it is larger than the sum of its proper divisors (106787270).

133312570 is a wasteful number, since it uses less digits than its factorization.

133312570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 133312570 is about 11546.1062700808. The cubic root of 133312570 is about 510.8464349887.

The spelling of 133312570 in words is "one hundred thirty-three million, three hundred twelve thousand, five hundred seventy".