136913 has 4 divisors (see below), whose sum is σ = 156480. Its totient is φ = 117348.

The previous prime is 136897. The next prime is 136943. The reversal of 136913 is 319631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 136913 - 2⁴ = 136897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136913.

It is not an unprimeable number, because it can be changed into a prime (136943) 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, 9773 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (39120).

2¹³⁶⁹¹³ is an apocalyptic number.

It is an amenable number.

136913 is a deficient number, since it is larger than the sum of its proper divisors (19567).

136913 is an equidigital number, since it uses as much as digits as its factorization.

136913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19566.

The product of its digits is 486, while the sum is 23.

The square root of 136913 is about 370.0175671505. The cubic root of 136913 is about 51.5404527108.

The spelling of 136913 in words is "one hundred thirty-six thousand, nine hundred thirteen".