136980270251 has 16 divisors (see below), whose sum is σ = 152199648000. Its totient is φ = 122237320800.

The previous prime is 136980270221. The next prime is 136980270257. The reversal of 136980270251 is 152072089631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136980270251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136980270257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204101 + ... + 561798.

It is an arithmetic number, because the mean of its divisors is an integer number (9512478000).

Almost surely, 2^136980270251 is an apocalyptic number.

136980270251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136980270251 is a deficient number, since it is larger than the sum of its proper divisors (15219377749).

136980270251 is a wasteful number, since it uses less digits than its factorization.

136980270251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766210.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 136980270251 in words is "one hundred thirty-six billion, nine hundred eighty million, two hundred seventy thousand, two hundred fifty-one".