135044263125 has 100 divisors (see below), whose sum is σ = 255642593184. Its totient is φ = 71007300000.

The previous prime is 135044263099. The next prime is 135044263171. The reversal of 135044263125 is 521362440531.

135044263125 is a `hidden beast` number, since 1 + 3 + 504 + 4 + 26 + 3 + 125 = 666.

It is not a de Polignac number, because 135044263125 - 2¹⁵ = 135044230357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135044263125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 3575590 + ... + 3613160.

Almost surely, 2^135044263125 is an apocalyptic number.

135044263125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135044263125 is a deficient number, since it is larger than the sum of its proper divisors (120598330059).

135044263125 is an frugal number, since it uses more digits than its factorization.

135044263125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37674 (or 37650 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 135044263125 in words is "one hundred thirty-five billion, forty-four million, two hundred sixty-three thousand, one hundred twenty-five".