299138 has 16 divisors (see below), whose sum is σ = 535680. Its totient is φ = 122496.

The previous prime is 299137. The next prime is 299147. The reversal of 299138 is 831992.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299138.

It is not an unprimeable number, because it can be changed into a prime (299137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2²⁹⁹¹³⁸ is an apocalyptic number.

299138 is a deficient number, since it is larger than the sum of its proper divisors (236542).

299138 is a wasteful number, since it uses less digits than its factorization.

299138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its digits is 3888, while the sum is 32.

The square root of 299138 is about 546.9350966980. The cubic root of 299138 is about 66.8791167000.

The spelling of 299138 in words is "two hundred ninety-nine thousand, one hundred thirty-eight".