133715872 has 24 divisors (see below), whose sum is σ = 263541600. Its totient is φ = 66784704.

The previous prime is 133715851. The next prime is 133715899. The reversal of 133715872 is 278517331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38629 + ... + 41947.

It is an arithmetic number, because the mean of its divisors is an integer number (10980900).

Almost surely, 2^133715872 is an apocalyptic number.

It is an amenable number.

133715872 is a deficient number, since it is larger than the sum of its proper divisors (129825728).

133715872 is a wasteful number, since it uses less digits than its factorization.

133715872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588 (or 4580 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 133715872 is about 11563.5579299799. The cubic root of 133715872 is about 511.3610600760.

The spelling of 133715872 in words is "one hundred thirty-three million, seven hundred fifteen thousand, eight hundred seventy-two".