299610139 has 2 divisors, whose sum is σ = 299610140. Its totient is φ = 299610138.

The previous prime is 299610109. The next prime is 299610151. The reversal of 299610139 is 931016992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 299610139 - 2¹³ = 299601947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (299610109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149805069 + 149805070.

It is an arithmetic number, because the mean of its divisors is an integer number (149805070).

Almost surely, 2^299610139 is an apocalyptic number.

299610139 is a deficient number, since it is larger than the sum of its proper divisors (1).

299610139 is an equidigital number, since it uses as much as digits as its factorization.

299610139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 299610139 is about 17309.2500992966. The cubic root of 299610139 is about 669.1428401549.

The spelling of 299610139 in words is "two hundred ninety-nine million, six hundred ten thousand, one hundred thirty-nine".