133974858 has 32 divisors (see below), whose sum is σ = 284337216. Its totient is φ = 41938688.

The previous prime is 133974853. The next prime is 133974859. The reversal of 133974858 is 858479331.

It is a super-2 number, since 2×133974858² = 35898525152240328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133974853) 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, 56260 + ... + 58592.

It is an arithmetic number, because the mean of its divisors is an integer number (8885538).

Almost surely, 2^133974858 is an apocalyptic number.

133974858 is an abundant number, since it is smaller than the sum of its proper divisors (150362358).

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

133974858 is a wasteful number, since it uses less digits than its factorization.

133974858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918.

The product of its digits is 725760, while the sum is 48.

The square root of 133974858 is about 11574.7508828484. The cubic root of 133974858 is about 511.6909883622.

The spelling of 133974858 in words is "one hundred thirty-three million, nine hundred seventy-four thousand, eight hundred fifty-eight".