136819503 has 8 divisors (see below), whose sum is σ = 202695600. Its totient is φ = 91212984.

The previous prime is 136819493. The next prime is 136819511. The reversal of 136819503 is 305918631.

It is a happy number.

136819503 is a `hidden beast` number, since 136 + 8 + 19 + 503 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-136819503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136812503) 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, 2533668 + ... + 2533721.

It is an arithmetic number, because the mean of its divisors is an integer number (25336950).

Almost surely, 2^136819503 is an apocalyptic number.

136819503 is a deficient number, since it is larger than the sum of its proper divisors (65876097).

136819503 is an equidigital number, since it uses as much as digits as its factorization.

136819503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067398 (or 5067392 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 136819503 is about 11696.9869197157. The cubic root of 136819503 is about 515.2871782550.

The spelling of 136819503 in words is "one hundred thirty-six million, eight hundred nineteen thousand, five hundred three".