136738917 has 24 divisors (see below), whose sum is σ = 226763264. Its totient is φ = 77778144.

The previous prime is 136738913. The next prime is 136738937. The reversal of 136738917 is 719837631.

It is not a de Polignac number, because 136738917 - 2² = 136738913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136738913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9183 + ... + 18915.

Almost surely, 2^136738917 is an apocalyptic number.

It is an amenable number.

136738917 is a deficient number, since it is larger than the sum of its proper divisors (90024347).

136738917 is a wasteful number, since it uses less digits than its factorization.

136738917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969 (or 9966 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 136738917 is about 11693.5416790637. The cubic root of 136738917 is about 515.1859911997.

The spelling of 136738917 in words is "one hundred thirty-six million, seven hundred thirty-eight thousand, nine hundred seventeen".