136977355719 has 16 divisors (see below), whose sum is σ = 203160841440. Its totient is φ = 91214095680.

The previous prime is 136977355717. The next prime is 136977355759. The reversal of 136977355719 is 917553779631.

136977355719 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 7 + 73 + 557 + 1 + 9 = 666.

It is not a de Polignac number, because 136977355719 - 2¹ = 136977355717 is a prime.

It is a super-2 number, since 2×136977355719² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136977355717) 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 in 15 ways as a sum of consecutive naturals, for example, 2868702 + ... + 2916059.

It is an arithmetic number, because the mean of its divisors is an integer number (12697552590).

Almost surely, 2^136977355719 is an apocalyptic number.

136977355719 is a deficient number, since it is larger than the sum of its proper divisors (66183485721).

136977355719 is an equidigital number, since it uses as much as digits as its factorization.

136977355719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785647 (or 5785641 counting only the distinct ones).

The product of its digits is 37507050, while the sum is 63.

The spelling of 136977355719 in words is "one hundred thirty-six billion, nine hundred seventy-seven million, three hundred fifty-five thousand, seven hundred nineteen".