136445611 has 4 divisors (see below), whose sum is σ = 136674000. Its totient is φ = 136217224.

The previous prime is 136445557. The next prime is 136445627. The reversal of 136445611 is 116544631.

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 136445611 - 2⁷ = 136445483 is a prime.

It is a super-2 number, since 2×136445611² = 37234809522326642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136445641) 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, 113296 + ... + 114493.

It is an arithmetic number, because the mean of its divisors is an integer number (34168500).

Almost surely, 2^136445611 is an apocalyptic number.

136445611 is a deficient number, since it is larger than the sum of its proper divisors (228389).

136445611 is an equidigital number, since it uses as much as digits as its factorization.

136445611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228388.

The product of its digits is 8640, while the sum is 31.

The square root of 136445611 is about 11680.9935793151. The cubic root of 136445611 is about 514.8173682390.

The spelling of 136445611 in words is "one hundred thirty-six million, four hundred forty-five thousand, six hundred eleven".