133450832 has 20 divisors (see below), whose sum is σ = 272170080. Its totient is φ = 63213408.

The previous prime is 133450831. The next prime is 133450847. The reversal of 133450832 is 238054331.

It is a super-2 number, since 2×133450832² = 35618249122984448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133450795 and 133450804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133450831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219188 + ... + 219795.

It is an arithmetic number, because the mean of its divisors is an integer number (13608504).

Almost surely, 2^133450832 is an apocalyptic number.

It is an amenable number.

133450832 is an abundant number, since it is smaller than the sum of its proper divisors (138719248).

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

133450832 is a wasteful number, since it uses less digits than its factorization.

133450832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439010 (or 439004 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 133450832 is about 11552.0921048960. The cubic root of 133450832 is about 511.0229780965.

The spelling of 133450832 in words is "one hundred thirty-three million, four hundred fifty thousand, eight hundred thirty-two".