133425344 has 28 divisors (see below), whose sum is σ = 285134304. Its totient is φ = 61580544.

The previous prime is 133425337. The next prime is 133425359. The reversal of 133425344 is 443524331.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 79352 + ... + 81015.

It is an arithmetic number, because the mean of its divisors is an integer number (10183368).

Almost surely, 2^133425344 is an apocalyptic number.

It is an amenable number.

133425344 is an abundant number, since it is smaller than the sum of its proper divisors (151708960).

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

133425344 is a wasteful number, since it uses less digits than its factorization.

133425344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160392 (or 160382 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 133425344 is about 11550.9888754167. The cubic root of 133425344 is about 510.9904423109.

Adding to 133425344 its reverse (443524331), we get a palindrome (576949675).

The spelling of 133425344 in words is "one hundred thirty-three million, four hundred twenty-five thousand, three hundred forty-four".