133939274 has 16 divisors (see below), whose sum is σ = 229999488. Its totient is φ = 57305232.

The previous prime is 133939261. The next prime is 133939301. The reversal of 133939274 is 472939331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779 + ... + 16385.

It is an arithmetic number, because the mean of its divisors is an integer number (14374968).

Almost surely, 2^133939274 is an apocalyptic number.

133939274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133939274 is a deficient number, since it is larger than the sum of its proper divisors (96060214).

133939274 is a wasteful number, since it uses less digits than its factorization.

133939274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16229.

The product of its digits is 122472, while the sum is 41.

The square root of 133939274 is about 11573.2136418542. The cubic root of 133939274 is about 511.6456822884.

The spelling of 133939274 in words is "one hundred thirty-three million, nine hundred thirty-nine thousand, two hundred seventy-four".