135425972 has 24 divisors (see below), whose sum is σ = 258837600. Its totient is φ = 61486560.

The previous prime is 135425933. The next prime is 135425999. The reversal of 135425972 is 279524531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67163 + ... + 69149.

It is an arithmetic number, because the mean of its divisors is an integer number (10784900).

Almost surely, 2^135425972 is an apocalyptic number.

It is an amenable number.

135425972 is a deficient number, since it is larger than the sum of its proper divisors (123411628).

135425972 is a wasteful number, since it uses less digits than its factorization.

135425972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3549 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 135425972 is about 11637.2665175289. The cubic root of 135425972 is about 513.5317744427.

The spelling of 135425972 in words is "one hundred thirty-five million, four hundred twenty-five thousand, nine hundred seventy-two".