136491713 has 8 divisors (see below), whose sum is σ = 139570560. Its totient is φ = 133420240.

The previous prime is 136491671. The next prime is 136491727. The reversal of 136491713 is 317194631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136491713 - 2¹⁰ = 136490689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136491743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54278 + ... + 56736.

It is an arithmetic number, because the mean of its divisors is an integer number (17446320).

Almost surely, 2^136491713 is an apocalyptic number.

It is an amenable number.

136491713 is a deficient number, since it is larger than the sum of its proper divisors (3078847).

136491713 is a wasteful number, since it uses less digits than its factorization.

136491713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687.

The product of its digits is 13608, while the sum is 35.

The square root of 136491713 is about 11682.9667893048. The cubic root of 136491713 is about 514.8753435685.

The spelling of 136491713 in words is "one hundred thirty-six million, four hundred ninety-one thousand, seven hundred thirteen".