133113425 has 12 divisors (see below), whose sum is σ = 165237936. Its totient is φ = 106376400.

The previous prime is 133113401. The next prime is 133113433. The reversal of 133113425 is 524311331.

It is not a de Polignac number, because 133113425 - 2⁶ = 133113361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133113425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27002 + ... + 31548.

It is an arithmetic number, because the mean of its divisors is an integer number (13769828).

Almost surely, 2^133113425 is an apocalyptic number.

It is an amenable number.

133113425 is a deficient number, since it is larger than the sum of its proper divisors (32124511).

133113425 is a wasteful number, since it uses less digits than its factorization.

133113425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 5723 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 133113425 is about 11537.4791440765. The cubic root of 133113425 is about 510.5919373269.

Adding to 133113425 its reverse (524311331), we get a palindrome (657424756).

The spelling of 133113425 in words is "one hundred thirty-three million, one hundred thirteen thousand, four hundred twenty-five".