136497647 has 12 divisors (see below), whose sum is σ = 160525176. Its totient is φ = 114426240.

The previous prime is 136497637. The next prime is 136497649. The reversal of 136497647 is 746794631.

It is a happy number.

136497647 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 136497647 - 2¹⁰ = 136496623 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 (136497649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139223 + ... + 140199.

It is an arithmetic number, because the mean of its divisors is an integer number (13377098).

Almost surely, 2^136497647 is an apocalyptic number.

136497647 is a deficient number, since it is larger than the sum of its proper divisors (24027529).

136497647 is an frugal number, since it uses more digits than its factorization.

136497647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1001 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 136497647 is about 11683.2207460101. The cubic root of 136497647 is about 514.8828048908.

The spelling of 136497647 in words is "one hundred thirty-six million, four hundred ninety-seven thousand, six hundred forty-seven".