133151664 has 40 divisors (see below), whose sum is σ = 344977920. Its totient is φ = 44254528.

The previous prime is 133151651. The next prime is 133151737. The reversal of 133151664 is 466151331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13369 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (8624448).

Almost surely, 2^133151664 is an apocalyptic number.

It is an amenable number.

133151664 is an abundant number, since it is smaller than the sum of its proper divisors (211826256).

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

133151664 is a wasteful number, since it uses less digits than its factorization.

133151664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097 (or 8091 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 133151664 is about 11539.1361895074. The cubic root of 133151664 is about 510.6408245968.

The spelling of 133151664 in words is "one hundred thirty-three million, one hundred fifty-one thousand, six hundred sixty-four".