135072025 has 12 divisors (see below), whose sum is σ = 182715984. Its totient is φ = 98234000.

The previous prime is 135072019. The next prime is 135072043. The reversal of 135072025 is 520270531.

It is not a de Polignac number, because 135072025 - 2²⁵ = 101517593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245311 + ... + 245860.

It is an arithmetic number, because the mean of its divisors is an integer number (15226332).

Almost surely, 2^135072025 is an apocalyptic number.

It is an amenable number.

135072025 is a deficient number, since it is larger than the sum of its proper divisors (47643959).

135072025 is a wasteful number, since it uses less digits than its factorization.

135072025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491192 (or 491187 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 135072025 is about 11622.0490878330. The cubic root of 135072025 is about 513.0839981668.

The spelling of 135072025 in words is "one hundred thirty-five million, seventy-two thousand, twenty-five".