299139105 has 16 divisors (see below), whose sum is σ = 481838400. Its totient is φ = 158468928.

The previous prime is 299139091. The next prime is 299139107. The reversal of 299139105 is 501931992.

It is not a de Polignac number, because 299139105 - 2⁶ = 299139041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299139107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64687 + ... + 69156.

It is an arithmetic number, because the mean of its divisors is an integer number (30114900).

Almost surely, 2^299139105 is an apocalyptic number.

It is an amenable number.

299139105 is a deficient number, since it is larger than the sum of its proper divisors (182699295).

299139105 is a wasteful number, since it uses less digits than its factorization.

299139105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134000.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 299139105 is about 17295.6383229992. The cubic root of 299139105 is about 668.7919904923.

The spelling of 299139105 in words is "two hundred ninety-nine million, one hundred thirty-nine thousand, one hundred five".