135118899 has 12 divisors (see below), whose sum is σ = 205444200. Its totient is φ = 85338144.

The previous prime is 135118897. The next prime is 135118901. The reversal of 135118899 is 998811531.

It is an interprime number because it is at equal distance from previous prime (135118897) and next prime (135118901).

It is not a de Polignac number, because 135118899 - 2¹ = 135118897 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (135118891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394914 + ... + 395255.

It is an arithmetic number, because the mean of its divisors is an integer number (17120350).

Almost surely, 2^135118899 is an apocalyptic number.

135118899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

135118899 is a deficient number, since it is larger than the sum of its proper divisors (70325301).

135118899 is a wasteful number, since it uses less digits than its factorization.

135118899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790194 (or 790191 counting only the distinct ones).

The product of its digits is 77760, while the sum is 45.

The square root of 135118899 is about 11624.0655108271. The cubic root of 135118899 is about 513.1433430924.

The spelling of 135118899 in words is "one hundred thirty-five million, one hundred eighteen thousand, eight hundred ninety-nine".