135474975 has 18 divisors (see below), whose sum is σ = 242651136. Its totient is φ = 72253200.

The previous prime is 135474971. The next prime is 135475027. The reversal of 135474975 is 579474531.

135474975 is a `hidden beast` number, since 13 + 547 + 4 + 97 + 5 = 666.

135474975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135474975 - 2² = 135474971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 135474975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135474971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 300831 + ... + 301280.

Almost surely, 2^135474975 is an apocalyptic number.

135474975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135474975 is a deficient number, since it is larger than the sum of its proper divisors (107176161).

135474975 is a wasteful number, since it uses less digits than its factorization.

135474975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602127 (or 602119 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 135474975 is about 11639.3717613967. The cubic root of 135474975 is about 513.5937063419.

The spelling of 135474975 in words is "one hundred thirty-five million, four hundred seventy-four thousand, nine hundred seventy-five".