136023506514261 has 12 divisors (see below), whose sum is σ = 208035951139692. Its totient is φ = 85348082518656.

The previous prime is 136023506514229. The next prime is 136023506514277. The reversal of 136023506514261 is 162415605320631.

It is a happy number.

136023506514261 is a `hidden beast` number, since 1 + 3 + 6 + 0 + 23 + 50 + 6 + 514 + 2 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71730211258161 + 64293295256100 = 8469369^2 + 8018310^2 .

It is not a de Polignac number, because 136023506514261 - 2⁵ = 136023506514229 is a prime.

It is a super-2 number, since 2×136023506514261² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136023506514211) 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, 444521262966 + ... + 444521263271.

It is an arithmetic number, because the mean of its divisors is an integer number (17336329261641).

Almost surely, 2^{136023506514261} is an apocalyptic number.

It is an amenable number.

136023506514261 is a deficient number, since it is larger than the sum of its proper divisors (72012444625431).

136023506514261 is a wasteful number, since it uses less digits than its factorization.

136023506514261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889042526260 (or 889042526257 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 136023506514261 in words is "one hundred thirty-six trillion, twenty-three billion, five hundred six million, five hundred fourteen thousand, two hundred sixty-one".