136757539 has 2 divisors, whose sum is σ = 136757540. Its totient is φ = 136757538.

The previous prime is 136757531. The next prime is 136757549. The reversal of 136757539 is 935757631.

It is a weak prime.

It is an emirp because it is prime and its reverse (935757631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136757539 - 2³ = 136757531 is a prime.

It is not a weakly prime, because it can be changed into another prime (136757531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68378769 + 68378770.

It is an arithmetic number, because the mean of its divisors is an integer number (68378770).

Almost surely, 2^136757539 is an apocalyptic number.

136757539 is a deficient number, since it is larger than the sum of its proper divisors (1).

136757539 is an equidigital number, since it uses as much as digits as its factorization.

136757539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 46.

The square root of 136757539 is about 11694.3379034471. The cubic root of 136757539 is about 515.2093772706.

The spelling of 136757539 in words is "one hundred thirty-six million, seven hundred fifty-seven thousand, five hundred thirty-nine".