136261252056351 has 8 divisors (see below), whose sum is σ = 182496385415680. Its totient is φ = 90433476700632.

The previous prime is 136261252056301. The next prime is 136261252056437. The reversal of 136261252056351 is 153650252162631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136261252056351 - 2¹⁴ = 136261252039967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136261252056351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136261252056301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101839500121 + ... + 101839501458.

It is an arithmetic number, because the mean of its divisors is an integer number (22812048176960).

Almost surely, 2^{136261252056351} is an apocalyptic number.

136261252056351 is a deficient number, since it is larger than the sum of its proper divisors (46235133359329).

136261252056351 is a wasteful number, since it uses less digits than its factorization.

136261252056351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203679001805.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 136261252056351 in words is "one hundred thirty-six trillion, two hundred sixty-one billion, two hundred fifty-two million, fifty-six thousand, three hundred fifty-one".