133371392 has 160 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 48660480.

The previous prime is 133371389. The next prime is 133371439. The reversal of 133371392 is 293173331.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 670109 + ... + 670307.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^133371392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133371392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

133371392 is an abundant number, since it is smaller than the sum of its proper divisors (220177408).

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

133371392 is a wasteful number, since it uses less digits than its factorization.

133371392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 236 counting only the distinct ones).

The product of its digits is 10206, while the sum is 32.

The square root of 133371392 is about 11548.6532548172. The cubic root of 133371392 is about 510.9215581636.

The spelling of 133371392 in words is "one hundred thirty-three million, three hundred seventy-one thousand, three hundred ninety-two".