135755237243025 has 36 divisors (see below), whose sum is σ = 255950225079120. Its totient is φ = 68592119868000.

The previous prime is 135755237242991. The next prime is 135755237243033. The reversal of 135755237243025 is 520342732557531.

135755237243025 is a `hidden beast` number, since 1 + 3 + 5 + 7 + 5 + 523 + 72 + 43 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 135755237243025 - 2³⁵ = 135720877504657 is a prime.

It is a super-2 number, since 2×135755237243025² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15877801251 + ... + 15877809800.

It is an arithmetic number, because the mean of its divisors is an integer number (7109728474420).

Almost surely, 2^{135755237243025} is an apocalyptic number.

135755237243025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135755237243025 is a deficient number, since it is larger than the sum of its proper divisors (120194987836095).

135755237243025 is a wasteful number, since it uses less digits than its factorization.

135755237243025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31755611086 (or 31755611078 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 54.

The spelling of 135755237243025 in words is "one hundred thirty-five trillion, seven hundred fifty-five billion, two hundred thirty-seven million, two hundred forty-three thousand, twenty-five".