136939311 has 12 divisors (see below), whose sum is σ = 200306080. Its totient is φ = 90136800.

The previous prime is 136939291. The next prime is 136939321. The reversal of 136939311 is 113939631.

It is not a de Polignac number, because 136939311 - 2⁵ = 136939279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136939321) 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 in 11 ways as a sum of consecutive naturals, for example, 95590 + ... + 97011.

Almost surely, 2^136939311 is an apocalyptic number.

136939311 is a deficient number, since it is larger than the sum of its proper divisors (63366769).

136939311 is a wasteful number, since it uses less digits than its factorization.

136939311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192686 (or 192683 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 136939311 is about 11702.1071179510. The cubic root of 136939311 is about 515.4375406273.

The spelling of 136939311 in words is "one hundred thirty-six million, nine hundred thirty-nine thousand, three hundred eleven".