133251932 has 12 divisors (see below), whose sum is σ = 254390136. Its totient is φ = 60569040.

The previous prime is 133251931. The next prime is 133251947. The reversal of 133251932 is 239152331.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133251895 and 133251904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133251931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514183 + ... + 1514270.

It is an arithmetic number, because the mean of its divisors is an integer number (21199178).

Almost surely, 2^133251932 is an apocalyptic number.

It is an amenable number.

133251932 is a deficient number, since it is larger than the sum of its proper divisors (121138204).

133251932 is a wasteful number, since it uses less digits than its factorization.

133251932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028468 (or 3028466 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 133251932 is about 11543.4800645213. The cubic root of 133251932 is about 510.7689694155.

It can be divided in two parts, 13325 and 1932, that multiplied together give a triangular number (25743900 = T₇₁₇₅).

The spelling of 133251932 in words is "one hundred thirty-three million, two hundred fifty-one thousand, nine hundred thirty-two".