136265661 has 12 divisors (see below), whose sum is σ = 224946592. Its totient is φ = 77866056.

The previous prime is 136265651. The next prime is 136265671. The reversal of 136265661 is 166562631.

It is an interprime number because it is at equal distance from previous prime (136265651) and next prime (136265671).

It is not a de Polignac number, because 136265661 - 2²³ = 127877053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136265621) 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, 1081411 + ... + 1081536.

Almost surely, 2^136265661 is an apocalyptic number.

It is an amenable number.

136265661 is a deficient number, since it is larger than the sum of its proper divisors (88680931).

136265661 is a wasteful number, since it uses less digits than its factorization.

136265661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162960 (or 2162957 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 136265661 is about 11673.2883541871. The cubic root of 136265661 is about 514.5909480046.

The spelling of 136265661 in words is "one hundred thirty-six million, two hundred sixty-five thousand, six hundred sixty-one".