136759297 has 4 divisors (see below), whose sum is σ = 136806660. Its totient is φ = 136711936.

The previous prime is 136759279. The next prime is 136759309. The reversal of 136759297 is 792957631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 792957631 = 12227 ⋅64853.

It can be written as a sum of positive squares in 2 ways, for example, as 66601921 + 70157376 = 8161^2 + 8376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136759297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136759297.

It is not an unprimeable number, because it can be changed into a prime (136759097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048 + ... + 25225.

It is an arithmetic number, because the mean of its divisors is an integer number (34201665).

Almost surely, 2^136759297 is an apocalyptic number.

It is an amenable number.

136759297 is a deficient number, since it is larger than the sum of its proper divisors (47363).

136759297 is an equidigital number, since it uses as much as digits as its factorization.

136759297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47362.

The product of its digits is 714420, while the sum is 49.

The square root of 136759297 is about 11694.4130677858. The cubic root of 136759297 is about 515.2115849105.

The spelling of 136759297 in words is "one hundred thirty-six million, seven hundred fifty-nine thousand, two hundred ninety-seven".