135018975 has 96 divisors (see below), whose sum is σ = 279537664. Its totient is φ = 55987200.

The previous prime is 135018971. The next prime is 135018977. The reversal of 135018975 is 579810531.

135018975 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 135018975 - 2² = 135018971 is a prime.

It is a super-2 number, since 2×135018975² = 36460247220101250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135018971) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 498090 + ... + 498360.

Almost surely, 2^135018975 is an apocalyptic number.

135018975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135018975 is an abundant number, since it is smaller than the sum of its proper divisors (144518689).

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

135018975 is a wasteful number, since it uses less digits than its factorization.

135018975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 135018975 is about 11619.7665639203. The cubic root of 135018975 is about 513.0168175389.

The spelling of 135018975 in words is "one hundred thirty-five million, eighteen thousand, nine hundred seventy-five".