136714661 has 2 divisors, whose sum is σ = 136714662. Its totient is φ = 136714660.

The previous prime is 136714607. The next prime is 136714727. The reversal of 136714661 is 166417631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131102500 + 5612161 = 11450^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 136714661 - 2⁶ = 136714597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136714601) 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 as a sum of consecutive naturals, namely, 68357330 + 68357331.

It is an arithmetic number, because the mean of its divisors is an integer number (68357331).

Almost surely, 2^136714661 is an apocalyptic number.

It is an amenable number.

136714661 is a deficient number, since it is larger than the sum of its proper divisors (1).

136714661 is an equidigital number, since it uses as much as digits as its factorization.

136714661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 136714661 is about 11692.5044793663. The cubic root of 136714661 is about 515.1555265969.

The spelling of 136714661 in words is "one hundred thirty-six million, seven hundred fourteen thousand, six hundred sixty-one".