135013725 has 72 divisors (see below), whose sum is σ = 301534272. Its totient is φ = 56102400.

The previous prime is 135013717. The next prime is 135013733. The reversal of 135013725 is 527310531.

It is an interprime number because it is at equal distance from previous prime (135013717) and next prime (135013733).

It is not a de Polignac number, because 135013725 - 2³ = 135013717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13429 + ... + 21221.

It is an arithmetic number, because the mean of its divisors is an integer number (4187976).

Almost surely, 2^135013725 is an apocalyptic number.

135013725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135013725 is an abundant number, since it is smaller than the sum of its proper divisors (166520547).

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

135013725 is a wasteful number, since it uses less digits than its factorization.

135013725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7819 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 135013725 is about 11619.5406535715. The cubic root of 135013725 is about 513.0101681694.

The spelling of 135013725 in words is "one hundred thirty-five million, thirteen thousand, seven hundred twenty-five".