136080863 has 4 divisors (see below), whose sum is σ = 136726008. Its totient is φ = 135435720.

The previous prime is 136080859. The next prime is 136080871. The reversal of 136080863 is 368080631.

It is a happy number.

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 136080863 - 2² = 136080859 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 (136080823) 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, 322256 + ... + 322677.

It is an arithmetic number, because the mean of its divisors is an integer number (34181502).

Almost surely, 2^136080863 is an apocalyptic number.

136080863 is a deficient number, since it is larger than the sum of its proper divisors (645145).

136080863 is an equidigital number, since it uses as much as digits as its factorization.

136080863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645144.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 136080863 is about 11665.3702470175. The cubic root of 136080863 is about 514.3582202631.

The spelling of 136080863 in words is "one hundred thirty-six million, eighty thousand, eight hundred sixty-three".