136816424 has 16 divisors (see below), whose sum is σ = 256928820. Its totient is φ = 68302080.

The previous prime is 136816331. The next prime is 136816441. The reversal of 136816424 is 424618631.

136816424 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 133864900 + 2951524 = 11570^2 + 1718^2 .

It is a super-2 number, since 2×136816424² = 37437467752295552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7649 + ... + 18224.

Almost surely, 2^136816424 is an apocalyptic number.

It is an amenable number.

136816424 is a deficient number, since it is larger than the sum of its proper divisors (120112396).

136816424 is a wasteful number, since it uses less digits than its factorization.

136816424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540 (or 26536 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 136816424 is about 11696.8553038840. The cubic root of 136816424 is about 515.2833128677.

The spelling of 136816424 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred twenty-four".