135280573025 has 12 divisors (see below), whose sum is σ = 180651596412. Its totient is φ = 99899499840.

The previous prime is 135280573019. The next prime is 135280573027. The reversal of 135280573025 is 520375082531.

It can be written as a sum of positive squares in 6 ways, for example, as 60077931664 + 75202641361 = 245108^2 + 274231^2 .

It is not a de Polignac number, because 135280573025 - 2⁸ = 135280572769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135280573027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208123634 + ... + 208124283.

It is an arithmetic number, because the mean of its divisors is an integer number (15054299701).

Almost surely, 2^135280573025 is an apocalyptic number.

It is an amenable number.

135280573025 is a deficient number, since it is larger than the sum of its proper divisors (45371023387).

135280573025 is a wasteful number, since it uses less digits than its factorization.

135280573025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416247940 (or 416247935 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 135280573025 in words is "one hundred thirty-five billion, two hundred eighty million, five hundred seventy-three thousand, twenty-five".