299118138 has 32 divisors (see below), whose sum is σ = 670265280. Its totient is φ = 88191360.

The previous prime is 299118107. The next prime is 299118143. The reversal of 299118138 is 831811992.

It is a self number, because there is not a number n which added to its sum of digits gives 299118138.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58803 + ... + 63686.

It is an arithmetic number, because the mean of its divisors is an integer number (20945790).

Almost surely, 2^299118138 is an apocalyptic number.

299118138 is an abundant number, since it is smaller than the sum of its proper divisors (371147142).

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

299118138 is a wasteful number, since it uses less digits than its factorization.

299118138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122542.

The product of its digits is 31104, while the sum is 42.

The square root of 299118138 is about 17295.0321768998. The cubic root of 299118138 is about 668.7763646636.

The spelling of 299118138 in words is "two hundred ninety-nine million, one hundred eighteen thousand, one hundred thirty-eight".