133879372 has 24 divisors (see below), whose sum is σ = 259095312. Its totient is φ = 60019200.

The previous prime is 133879367. The next prime is 133879381. The reversal of 133879372 is 273978331.

It is a super-2 number, since 2×133879372² = 35847372494228768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17629 + ... + 24052.

It is an arithmetic number, because the mean of its divisors is an integer number (10795638).

Almost surely, 2^133879372 is an apocalyptic number.

It is an amenable number.

133879372 is a deficient number, since it is larger than the sum of its proper divisors (125215940).

133879372 is a wasteful number, since it uses less digits than its factorization.

133879372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41769 (or 41767 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 133879372 is about 11570.6253936423. The cubic root of 133879372 is about 511.5693960509.

The spelling of 133879372 in words is "one hundred thirty-three million, eight hundred seventy-nine thousand, three hundred seventy-two".