136065251 has 8 divisors (see below), whose sum is σ = 163687680. Its totient is φ = 110488968.

The previous prime is 136065233. The next prime is 136065253. The reversal of 136065251 is 152560631.

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 136065251 - 2²⁶ = 68956387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136065253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511391 + ... + 511656.

It is an arithmetic number, because the mean of its divisors is an integer number (20460960).

Almost surely, 2^136065251 is an apocalyptic number.

136065251 is a deficient number, since it is larger than the sum of its proper divisors (27622429).

136065251 is a wasteful number, since it uses less digits than its factorization.

136065251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023073.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 136065251 is about 11664.7010677514. The cubic root of 136065251 is about 514.3385494403.

The spelling of 136065251 in words is "one hundred thirty-six million, sixty-five thousand, two hundred fifty-one".