137298899 has 2 divisors, whose sum is σ = 137298900. Its totient is φ = 137298898.

The previous prime is 137298893. The next prime is 137298923. The reversal of 137298899 is 998892731.

It is a weak prime.

It is an emirp because it is prime and its reverse (998892731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137298899 - 2⁸ = 137298643 is a prime.

It is a super-2 number, since 2×137298899² = 37701975333224402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137298893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68649449 + 68649450.

It is an arithmetic number, because the mean of its divisors is an integer number (68649450).

Almost surely, 2^137298899 is an apocalyptic number.

137298899 is a deficient number, since it is larger than the sum of its proper divisors (1).

137298899 is an equidigital number, since it uses as much as digits as its factorization.

137298899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 56.

The square root of 137298899 is about 11717.4612864733. The cubic root of 137298899 is about 515.8883076060. Note that the first 3 decimals are identical.

The spelling of 137298899 in words is "one hundred thirty-seven million, two hundred ninety-eight thousand, eight hundred ninety-nine".