135424925 has 12 divisors (see below), whose sum is σ = 173718420. Its totient is φ = 104603520.

The previous prime is 135424909. The next prime is 135424967. The reversal of 135424925 is 529424531.

It can be written as a sum of positive squares in 6 ways, for example, as 7214596 + 128210329 = 2686^2 + 11323^2 .

It is not a de Polignac number, because 135424925 - 2⁴ = 135424909 is a prime.

It is a super-2 number, since 2×135424925² = 36679820622511250, which contains 22 as substring.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 92672 + ... + 94121.

It is an arithmetic number, because the mean of its divisors is an integer number (14476535).

Almost surely, 2^135424925 is an apocalyptic number.

It is an amenable number.

135424925 is a deficient number, since it is larger than the sum of its proper divisors (38293495).

135424925 is a wasteful number, since it uses less digits than its factorization.

135424925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186832 (or 186827 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 135424925 is about 11637.2215326512. The cubic root of 135424925 is about 513.5304510404.

The spelling of 135424925 in words is "one hundred thirty-five million, four hundred twenty-four thousand, nine hundred twenty-five".