136977199 has 2 divisors, whose sum is σ = 136977200. Its totient is φ = 136977198.

The previous prime is 136977193. The next prime is 136977229. The reversal of 136977199 is 991779631.

It is a weak prime.

It is an emirp because it is prime and its reverse (991779631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136977199 - 2⁹ = 136976687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136977193) 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, 68488599 + 68488600.

It is an arithmetic number, because the mean of its divisors is an integer number (68488600).

Almost surely, 2^136977199 is an apocalyptic number.

136977199 is a deficient number, since it is larger than the sum of its proper divisors (1).

136977199 is an equidigital number, since it uses as much as digits as its factorization.

136977199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 642978, while the sum is 52.

The square root of 136977199 is about 11703.7258597423. The cubic root of 136977199 is about 515.4850728677.

The spelling of 136977199 in words is "one hundred thirty-six million, nine hundred seventy-seven thousand, one hundred ninety-nine".