136316561251 has 8 divisors (see below), whose sum is σ = 146846674800. Its totient is φ = 125792765472.

The previous prime is 136316561153. The next prime is 136316561279. The reversal of 136316561251 is 152165613631.

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

It is a cyclic number.

It is not a de Polignac number, because 136316561251 - 2²³ = 136308172643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136316561351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534576 + ... + 1620973.

It is an arithmetic number, because the mean of its divisors is an integer number (18355834350).

Almost surely, 2^136316561251 is an apocalyptic number.

136316561251 is a deficient number, since it is larger than the sum of its proper divisors (10530113549).

136316561251 is a wasteful number, since it uses less digits than its factorization.

136316561251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158885.

The product of its digits is 97200, while the sum is 40.

The spelling of 136316561251 in words is "one hundred thirty-six billion, three hundred sixteen million, five hundred sixty-one thousand, two hundred fifty-one".