133107564 has 24 divisors (see below), whose sum is σ = 321294960. Its totient is φ = 42839104.

The previous prime is 133107563. The next prime is 133107587. The reversal of 133107564 is 465701331.

It is not an unprimeable number, because it can be changed into a prime (133107563) 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, 190899 + ... + 191594.

It is an arithmetic number, because the mean of its divisors is an integer number (13387290).

Almost surely, 2^133107564 is an apocalyptic number.

It is an amenable number.

133107564 is an abundant number, since it is smaller than the sum of its proper divisors (188187396).

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

133107564 is a wasteful number, since it uses less digits than its factorization.

133107564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382529 (or 382527 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 133107564 is about 11537.2251429882. The cubic root of 133107564 is about 510.5844434089.

Adding to 133107564 its reverse (465701331), we get a palindrome (598808895).

The spelling of 133107564 in words is "one hundred thirty-three million, one hundred seven thousand, five hundred sixty-four".