135023224525 has 12 divisors (see below), whose sum is σ = 191347198432. Its totient is φ = 92587353840.

The previous prime is 135023224429. The next prime is 135023224529. The reversal of 135023224525 is 525422320531.

It is a de Polignac number, because none of the positive numbers 2^k-135023224525 is a prime.

It is a super-2 number, since 2×135023224525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135023224529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385780467 + ... + 385780816.

Almost surely, 2^135023224525 is an apocalyptic number.

It is an amenable number.

135023224525 is a deficient number, since it is larger than the sum of its proper divisors (56323973907).

135023224525 is an equidigital number, since it uses as much as digits as its factorization.

135023224525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771561300 (or 771561295 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 135023224525 in words is "one hundred thirty-five billion, twenty-three million, two hundred twenty-four thousand, five hundred twenty-five".