136874619 has 12 divisors (see below), whose sum is σ = 225951856. Its totient is φ = 78214032.

The previous prime is 136874561. The next prime is 136874671. The reversal of 136874619 is 916478631.

It is a happy number.

It is not a de Polignac number, because 136874619 - 2⁸ = 136874363 is a prime.

It is a super-2 number, since 2×136874619² = 37469322652790322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136879619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086244 + ... + 1086369.

Almost surely, 2^136874619 is an apocalyptic number.

136874619 is a deficient number, since it is larger than the sum of its proper divisors (89077237).

136874619 is a wasteful number, since it uses less digits than its factorization.

136874619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172626 (or 2172623 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 136874619 is about 11699.3426738428. The cubic root of 136874619 is about 515.3563612656.

The spelling of 136874619 in words is "one hundred thirty-six million, eight hundred seventy-four thousand, six hundred nineteen".