136496723 has 12 divisors (see below), whose sum is σ = 158183592. Its totient is φ = 116785920.

The previous prime is 136496699. The next prime is 136496729. The reversal of 136496723 is 327694631.

It is a de Polignac number, because none of the positive numbers 2^k-136496723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136496729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18290 + ... + 24647.

It is an arithmetic number, because the mean of its divisors is an integer number (13181966).

Almost surely, 2^136496723 is an apocalyptic number.

136496723 is a deficient number, since it is larger than the sum of its proper divisors (21686869).

136496723 is a wasteful number, since it uses less digits than its factorization.

136496723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42982 (or 42965 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 136496723 is about 11683.1812020528. The cubic root of 136496723 is about 514.8816430813.

The spelling of 136496723 in words is "one hundred thirty-six million, four hundred ninety-six thousand, seven hundred twenty-three".