136939677 has 16 divisors (see below), whose sum is σ = 217743360. Its totient is φ = 74848752.

The previous prime is 136939657. The next prime is 136939681. The reversal of 136939677 is 776939631.

It is not a de Polignac number, because 136939677 - 2¹⁰ = 136938653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136939637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141277 + ... + 142242.

It is an arithmetic number, because the mean of its divisors is an integer number (13608960).

Almost surely, 2^136939677 is an apocalyptic number.

It is an amenable number.

136939677 is a deficient number, since it is larger than the sum of its proper divisors (80803683).

136939677 is a wasteful number, since it uses less digits than its factorization.

136939677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283552.

The product of its digits is 1285956, while the sum is 51.

The square root of 136939677 is about 11702.1227561498. The cubic root of 136939677 is about 515.4379998331.

The spelling of 136939677 in words is "one hundred thirty-six million, nine hundred thirty-nine thousand, six hundred seventy-seven".