135265351172725 has 12 divisors (see below), whose sum is σ = 167990703236100. Its totient is φ = 108043463014400.

The previous prime is 135265351172647. The next prime is 135265351172771. The reversal of 135265351172725 is 527271153562531.

It can be written as a sum of positive squares in 6 ways, for example, as 1523550799684 + 133741800373041 = 1234322^2 + 11564679^2 .

It is not a de Polignac number, because 135265351172725 - 2⁷ = 135265351172597 is a prime.

It is a congruent number.

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, 4220431750 + ... + 4220463799.

It is an arithmetic number, because the mean of its divisors is an integer number (13999225269675).

Almost surely, 2^{135265351172725} is an apocalyptic number.

It is an amenable number.

135265351172725 is a deficient number, since it is larger than the sum of its proper divisors (32725352063375).

135265351172725 is an equidigital number, since it uses as much as digits as its factorization.

135265351172725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440896200 (or 8440896195 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 55.

The spelling of 135265351172725 in words is "one hundred thirty-five trillion, two hundred sixty-five billion, three hundred fifty-one million, one hundred seventy-two thousand, seven hundred twenty-five".