137698799099 has 2 divisors, whose sum is σ = 137698799100. Its totient is φ = 137698799098.

The previous prime is 137698799093. The next prime is 137698799129. The reversal of 137698799099 is 990997896731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137698799099 - 2⁴ = 137698799083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (137698799093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68849399549 + 68849399550.

It is an arithmetic number, because the mean of its divisors is an integer number (68849399550).

Almost surely, 2^137698799099 is an apocalyptic number.

137698799099 is a deficient number, since it is larger than the sum of its proper divisors (1).

137698799099 is an equidigital number, since it uses as much as digits as its factorization.

137698799099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 416649744, while the sum is 77.

The spelling of 137698799099 in words is "one hundred thirty-seven billion, six hundred ninety-eight million, seven hundred ninety-nine thousand, ninety-nine".