136534447 has 16 divisors (see below), whose sum is σ = 161740800. Its totient is φ = 112785120.

The previous prime is 136534441. The next prime is 136534457. The reversal of 136534447 is 744435631.

136534447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136534447 - 2¹⁹ = 136010159 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 (136534441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57204 + ... + 59542.

It is an arithmetic number, because the mean of its divisors is an integer number (10108800).

Almost surely, 2^136534447 is an apocalyptic number.

136534447 is a deficient number, since it is larger than the sum of its proper divisors (25206353).

136534447 is a wasteful number, since it uses less digits than its factorization.

136534447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646.

The product of its digits is 120960, while the sum is 37.

The square root of 136534447 is about 11684.7955480616. The cubic root of 136534447 is about 514.9290718293.

The spelling of 136534447 in words is "one hundred thirty-six million, five hundred thirty-four thousand, four hundred forty-seven".