136688097 has 24 divisors (see below), whose sum is σ = 228317376. Its totient is φ = 72098208.

The previous prime is 136688089. The next prime is 136688161. The reversal of 136688097 is 790886631.

It is not a de Polignac number, because 136688097 - 2³ = 136688089 is a prime.

It is a super-2 number, since 2×136688097² = 37367271722962818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136688087) 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, 33853 + ... + 37674.

It is an arithmetic number, because the mean of its divisors is an integer number (9513224).

Almost surely, 2^136688097 is an apocalyptic number.

It is an amenable number.

136688097 is a deficient number, since it is larger than the sum of its proper divisors (91629279).

136688097 is a wasteful number, since it uses less digits than its factorization.

136688097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71557 (or 71550 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 136688097 is about 11691.3684827739. The cubic root of 136688097 is about 515.1221591006.

The spelling of 136688097 in words is "one hundred thirty-six million, six hundred eighty-eight thousand, ninety-seven".