133327992 has 64 divisors (see below), whose sum is σ = 384549120. Its totient is φ = 37732608.

The previous prime is 133327973. The next prime is 133328047. The reversal of 133327992 is 299723331.

It is a hoax number, since the sum of its digits (39) 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 133327992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14268 + ... + 21684.

It is an arithmetic number, because the mean of its divisors is an integer number (6008580).

Almost surely, 2^133327992 is an apocalyptic number.

133327992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133327992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192274560).

133327992 is an abundant number, since it is smaller than the sum of its proper divisors (251221128).

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

133327992 is a wasteful number, since it uses less digits than its factorization.

133327992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540 (or 7536 counting only the distinct ones).

The product of its digits is 61236, while the sum is 39.

The square root of 133327992 is about 11546.7740949583. The cubic root of 133327992 is about 510.8661329811.

The spelling of 133327992 in words is "one hundred thirty-three million, three hundred twenty-seven thousand, nine hundred ninety-two".