136787912199 has 12 divisors (see below), whose sum is σ = 197854327216. Its totient is φ = 91066501152.

The previous prime is 136787912197. The next prime is 136787912203. The reversal of 136787912199 is 991219787631.

136787912199 is a `hidden beast` number, since 1 + 367 + 8 + 79 + 12 + 199 = 666.

It is not a de Polignac number, because 136787912199 - 2¹ = 136787912197 is a prime.

It is a super-2 number, since 2×136787912199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136787912197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10446454 + ... + 10459539.

Almost surely, 2^136787912199 is an apocalyptic number.

136787912199 is a deficient number, since it is larger than the sum of its proper divisors (61066415017).

136787912199 is a wasteful number, since it uses less digits than its factorization.

136787912199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20906726 (or 20906723 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The spelling of 136787912199 in words is "one hundred thirty-six billion, seven hundred eighty-seven million, nine hundred twelve thousand, one hundred ninety-nine".