133374252 has 24 divisors (see below), whose sum is σ = 339498432. Its totient is φ = 40416400.

The previous prime is 133374229. The next prime is 133374301. The reversal of 133374252 is 252473331.

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, 505074 + ... + 505337.

It is an arithmetic number, because the mean of its divisors is an integer number (14145768).

Almost surely, 2^133374252 is an apocalyptic number.

133374252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133374252 is an abundant number, since it is smaller than the sum of its proper divisors (206124180).

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

133374252 is a wasteful number, since it uses less digits than its factorization.

133374252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010429 (or 1010427 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 133374252 is about 11548.7770781152. Note that the first 3 decimals coincide. The cubic root of 133374252 is about 510.9252101842.

The spelling of 133374252 in words is "one hundred thirty-three million, three hundred seventy-four thousand, two hundred fifty-two".