133755752 has 32 divisors (see below), whose sum is σ = 270685800. Its totient is φ = 61595904.

The previous prime is 133755733. The next prime is 133755761. The reversal of 133755752 is 257557331.

It can be written as a sum of positive squares in 4 ways, for example, as 85119076 + 48636676 = 9226^2 + 6974^2 .

It is a super-4 number, since 4×133755752⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56774 + ... + 59082.

Almost surely, 2^133755752 is an apocalyptic number.

It is an amenable number.

133755752 is an abundant number, since it is smaller than the sum of its proper divisors (136930048).

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

133755752 is a wasteful number, since it uses less digits than its factorization.

133755752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2881 counting only the distinct ones).

The product of its digits is 110250, while the sum is 38.

The square root of 133755752 is about 11565.2821841925. The cubic root of 133755752 is about 511.4118918677.

The spelling of 133755752 in words is "one hundred thirty-three million, seven hundred fifty-five thousand, seven hundred fifty-two".