136698219 has 16 divisors (see below), whose sum is σ = 231447040. Its totient is φ = 78113160.

The previous prime is 136698193. The next prime is 136698227. The reversal of 136698219 is 912896631.

It is a happy number.

136698219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136698219 - 2⁹ = 136697707 is a prime.

It is a super-2 number, since 2×136698219² = 37372806155543922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136698229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361447 + ... + 361824.

It is an arithmetic number, because the mean of its divisors is an integer number (14465440).

Almost surely, 2^136698219 is an apocalyptic number.

136698219 is a deficient number, since it is larger than the sum of its proper divisors (94748821).

136698219 is an equidigital number, since it uses as much as digits as its factorization.

136698219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723287 (or 723281 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 136698219 is about 11691.8013582168. The cubic root of 136698219 is about 515.1348740283.

The spelling of 136698219 in words is "one hundred thirty-six million, six hundred ninety-eight thousand, two hundred nineteen".