136160251 has 6 divisors (see below), whose sum is σ = 143380140. Its totient is φ = 128945736.

The previous prime is 136160243. The next prime is 136160273. The reversal of 136160251 is 152061631.

It is not a de Polignac number, because 136160251 - 2³ = 136160243 is a prime.

It is a super-2 number, since 2×136160251² = 37079227904766002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136160201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49525 + ... + 52201.

It is an arithmetic number, because the mean of its divisors is an integer number (23896690).

Almost surely, 2^136160251 is an apocalyptic number.

136160251 is a deficient number, since it is larger than the sum of its proper divisors (7219889).

136160251 is an frugal number, since it uses more digits than its factorization.

136160251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 136160251 is about 11668.7724718584. The cubic root of 136160251 is about 514.4582243621.

The spelling of 136160251 in words is "one hundred thirty-six million, one hundred sixty thousand, two hundred fifty-one".