136261602117 has 12 divisors (see below), whose sum is σ = 196974083020. Its totient is φ = 90771020928.

The previous prime is 136261602101. The next prime is 136261602121. The reversal of 136261602117 is 711206162631.

136261602117 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 616 + 0 + 21 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88061156001 + 48200446116 = 296751^2 + 219546^2 .

It is not a de Polignac number, because 136261602117 - 2⁴ = 136261602101 is a prime.

It is a super-2 number, since 2×136261602117² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136261607117) 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, 5824942 + ... + 5848287.

Almost surely, 2^136261602117 is an apocalyptic number.

It is an amenable number.

136261602117 is a deficient number, since it is larger than the sum of its proper divisors (60712480903).

136261602117 is a wasteful number, since it uses less digits than its factorization.

136261602117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11674532 (or 11674529 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

Adding to 136261602117 its reverse (711206162631), we get a palindrome (847467764748).

The spelling of 136261602117 in words is "one hundred thirty-six billion, two hundred sixty-one million, six hundred two thousand, one hundred seventeen".