135725610 has 32 divisors (see below), whose sum is σ = 331085952. Its totient is φ = 35599680.

The previous prime is 135725573. The next prime is 135725617. The reversal of 135725610 is 16527531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (135725617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35254 + ... + 38913.

It is an arithmetic number, because the mean of its divisors is an integer number (10346436).

Almost surely, 2^135725610 is an apocalyptic number.

135725610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135725610 is an abundant number, since it is smaller than the sum of its proper divisors (195360342).

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

135725610 is a wasteful number, since it uses less digits than its factorization.

135725610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74238.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 135725610 is about 11650.1334756302. The cubic root of 135725610 is about 513.9102352997.

The spelling of 135725610 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, six hundred ten".