133931954 has 32 divisors (see below), whose sum is σ = 223280064. Its totient is φ = 59866560.

The previous prime is 133931951. The next prime is 133931977. The reversal of 133931954 is 459139331.

It is not an unprimeable number, because it can be changed into a prime (133931951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113789 + ... + 114959.

It is an arithmetic number, because the mean of its divisors is an integer number (6977502).

Almost surely, 2^133931954 is an apocalyptic number.

133931954 is a deficient number, since it is larger than the sum of its proper divisors (89348110).

133931954 is a wasteful number, since it uses less digits than its factorization.

133931954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its digits is 43740, while the sum is 38.

The square root of 133931954 is about 11572.8973900229. The cubic root of 133931954 is about 511.6363613613.

The spelling of 133931954 in words is "one hundred thirty-three million, nine hundred thirty-one thousand, nine hundred fifty-four".