135032525123220 has 36 divisors (see below), whose sum is σ = 409598659540980. Its totient is φ = 36008673366144.

The previous prime is 135032525123219. The next prime is 135032525123297. The reversal of 135032525123220 is 22321525230531.

135032525123220 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 3 + 2 + 525 + 123 + 2 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69890870725776 + 65141654397444 = 8360076^2 + 8071038^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 375090347385 + ... + 375090347744.

It is an arithmetic number, because the mean of its divisors is an integer number (11377740542805).

Almost surely, 2^{135032525123220} is an apocalyptic number.

135032525123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135032525123220 is an abundant number, since it is smaller than the sum of its proper divisors (274566134417760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135032525123220 is a wasteful number, since it uses less digits than its factorization.

135032525123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750180695144 (or 750180695139 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 135032525123220 in words is "one hundred thirty-five trillion, thirty-two billion, five hundred twenty-five million, one hundred twenty-three thousand, two hundred twenty".