136827251 has 8 divisors (see below), whose sum is σ = 149357424. Its totient is φ = 124312320.

The previous prime is 136827239. The next prime is 136827259. The reversal of 136827251 is 152728631.

It is a happy number.

136827251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136827251 - 2¹⁰ = 136826227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136827259) 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, 23531 + ... + 28763.

It is an arithmetic number, because the mean of its divisors is an integer number (18669678).

Almost surely, 2^136827251 is an apocalyptic number.

136827251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136827251 is a deficient number, since it is larger than the sum of its proper divisors (12530173).

136827251 is a wasteful number, since it uses less digits than its factorization.

136827251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621.

The product of its digits is 20160, while the sum is 35.

The square root of 136827251 is about 11697.3181114305. The cubic root of 136827251 is about 515.2969048647.

The spelling of 136827251 in words is "one hundred thirty-six million, eight hundred twenty-seven thousand, two hundred fifty-one".