136910837 has 4 divisors (see below), whose sum is σ = 156469536. Its totient is φ = 117352140.

The previous prime is 136910831. The next prime is 136910861. The reversal of 136910837 is 738019631.

136910837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 738019631 = 21157 ⋅34883.

It is a cyclic number.

It is not a de Polignac number, because 136910837 - 2⁶ = 136910773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136910837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136910831) 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, 9779339 + ... + 9779352.

It is an arithmetic number, because the mean of its divisors is an integer number (39117384).

Almost surely, 2^136910837 is an apocalyptic number.

It is an amenable number.

136910837 is a deficient number, since it is larger than the sum of its proper divisors (19558699).

136910837 is an equidigital number, since it uses as much as digits as its factorization.

136910837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19558698.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 136910837 is about 11700.8904362019. The cubic root of 136910837 is about 515.4018129127.

The spelling of 136910837 in words is "one hundred thirty-six million, nine hundred ten thousand, eight hundred thirty-seven".