135155475 has 216 divisors, whose sum is σ = 324166752. Its totient is φ = 53222400.

The previous prime is 135155441. The next prime is 135155477. The reversal of 135155475 is 574551531.

It is a happy number.

135155475 is a `hidden beast` number, since 1 + 35 + 1 + 554 + 75 = 666.

It is not a de Polignac number, because 135155475 - 2⁶ = 135155411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135155477) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 3296455 + ... + 3296495.

It is an arithmetic number, because the mean of its divisors is an integer number (1500772).

Almost surely, 2^135155475 is an apocalyptic number.

135155475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135155475 is an abundant number, since it is smaller than the sum of its proper divisors (189011277).

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

135155475 is a wasteful number, since it uses less digits than its factorization.

135155475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 92 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 135155475 is about 11625.6386921321. The cubic root of 135155475 is about 513.1896406811.

The spelling of 135155475 in words is "one hundred thirty-five million, one hundred fifty-five thousand, four hundred seventy-five".