136263307 has 4 divisors (see below), whose sum is σ = 143435080. Its totient is φ = 129091536.

The previous prime is 136263299. The next prime is 136263311. The reversal of 136263307 is 703362631.

136263307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703362631 = 6359 ⋅110609.

It is a cyclic number.

It is not a de Polignac number, because 136263307 - 2³ = 136263299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136263317) 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, 3585858 + ... + 3585895.

It is an arithmetic number, because the mean of its divisors is an integer number (35858770).

Almost surely, 2^136263307 is an apocalyptic number.

136263307 is a deficient number, since it is larger than the sum of its proper divisors (7171773).

136263307 is an equidigital number, since it uses as much as digits as its factorization.

136263307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171772.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 136263307 is about 11673.1875252649. The cubic root of 136263307 is about 514.5879847879.

The spelling of 136263307 in words is "one hundred thirty-six million, two hundred sixty-three thousand, three hundred seven".