136974499 has 12 divisors (see below), whose sum is σ = 145191256. Its totient is φ = 129187872.

The previous prime is 136974451. The next prime is 136974503. The reversal of 136974499 is 994479631.

It is not a de Polignac number, because 136974499 - 2¹⁵ = 136941731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136974449) 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, 36844 + ... + 40390.

Almost surely, 2^136974499 is an apocalyptic number.

136974499 is a deficient number, since it is larger than the sum of its proper divisors (8216757).

136974499 is an equidigital number, since it uses as much as digits as its factorization.

136974499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3643 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 136974499 is about 11703.6105112909. The cubic root of 136974499 is about 515.4816858835.

The spelling of 136974499 in words is "one hundred thirty-six million, nine hundred seventy-four thousand, four hundred ninety-nine".