136456351 has 4 divisors (see below), whose sum is σ = 137731752. Its totient is φ = 135180952.

The previous prime is 136456349. The next prime is 136456361. The reversal of 136456351 is 153654631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136456351 - 2¹ = 136456349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136456361) 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 3 ways as a sum of consecutive naturals, for example, 637540 + ... + 637753.

It is an arithmetic number, because the mean of its divisors is an integer number (34432938).

Almost surely, 2^136456351 is an apocalyptic number.

136456351 is a deficient number, since it is larger than the sum of its proper divisors (1275401).

136456351 is a wasteful number, since it uses less digits than its factorization.

136456351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275400.

The product of its digits is 32400, while the sum is 34.

The square root of 136456351 is about 11681.4532914360. The cubic root of 136456351 is about 514.8308754366.

It can be divided in two parts, 13645635 and 1, that added together give a square (13645636 = 3694²).

The spelling of 136456351 in words is "one hundred thirty-six million, four hundred fifty-six thousand, three hundred fifty-one".