133009392 has 40 divisors (see below), whose sum is σ = 344023120. Its totient is φ = 44282880.

The previous prime is 133009381. The next prime is 133009397. The reversal of 133009392 is 293900331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133009397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70542 + ... + 72402.

It is an arithmetic number, because the mean of its divisors is an integer number (8600578).

Almost surely, 2^133009392 is an apocalyptic number.

133009392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133009392 is an abundant number, since it is smaller than the sum of its proper divisors (211013728).

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

133009392 is a wasteful number, since it uses less digits than its factorization.

133009392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 133009392 is about 11532.9697823241. The cubic root of 133009392 is about 510.4588872482.

The spelling of 133009392 in words is "one hundred thirty-three million, nine thousand, three hundred ninety-two".