133607532 has 12 divisors (see below), whose sum is σ = 311750936. Its totient is φ = 44535840.

The previous prime is 133607501. The next prime is 133607543. The reversal of 133607532 is 235706331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 133607532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566969 + ... + 5566992.

Almost surely, 2^133607532 is an apocalyptic number.

133607532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133607532 is an abundant number, since it is smaller than the sum of its proper divisors (178143404).

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

133607532 is a wasteful number, since it uses less digits than its factorization.

133607532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133968 (or 11133966 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 133607532 is about 11558.8724363581. The cubic root of 133607532 is about 511.2229168485. Note that the first 3 decimals are identical.

The spelling of 133607532 in words is "one hundred thirty-three million, six hundred seven thousand, five hundred thirty-two".