136800831 has 4 divisors (see below), whose sum is σ = 182401112. Its totient is φ = 91200552.

The previous prime is 136800823. The next prime is 136800863. The reversal of 136800831 is 138008631.

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

It is not a de Polignac number, because 136800831 - 2³ = 136800823 is a prime.

It is a super-2 number, since 2×136800831² = 37428934724581122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136800731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22800136 + ... + 22800141.

It is an arithmetic number, because the mean of its divisors is an integer number (45600278).

Almost surely, 2^136800831 is an apocalyptic number.

136800831 is a deficient number, since it is larger than the sum of its proper divisors (45600281).

136800831 is an equidigital number, since it uses as much as digits as its factorization.

136800831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45600280.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 136800831 is about 11696.1887382172. The cubic root of 136800831 is about 515.2637364705.

The spelling of 136800831 in words is "one hundred thirty-six million, eight hundred thousand, eight hundred thirty-one".