133257832 has 48 divisors (see below), whose sum is σ = 269653860. Its totient is φ = 61521408.

The previous prime is 133257829. The next prime is 133257863. The reversal of 133257832 is 238752331.

It can be written as a sum of positive squares in 2 ways, for example, as 133033156 + 224676 = 11534^2 + 474^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848698 + ... + 848854.

Almost surely, 2^133257832 is an apocalyptic number.

It is an amenable number.

133257832 is an abundant number, since it is smaller than the sum of its proper divisors (136396028).

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

133257832 is a wasteful number, since it uses less digits than its factorization.

133257832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 255 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 133257832 is about 11543.7356172081. The cubic root of 133257832 is about 510.7765077489.

The spelling of 133257832 in words is "one hundred thirty-three million, two hundred fifty-seven thousand, eight hundred thirty-two".