136813751 has 2 divisors, whose sum is σ = 136813752. Its totient is φ = 136813750.

The previous prime is 136813709. The next prime is 136813759. The reversal of 136813751 is 157318631.

It is a strong prime.

It is an emirp because it is prime and its reverse (157318631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136813751 - 2⁶ = 136813687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136813759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68406875 + 68406876.

It is an arithmetic number, because the mean of its divisors is an integer number (68406876).

Almost surely, 2^136813751 is an apocalyptic number.

136813751 is a deficient number, since it is larger than the sum of its proper divisors (1).

136813751 is an equidigital number, since it uses as much as digits as its factorization.

136813751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 136813751 is about 11696.7410418458. The cubic root of 136813751 is about 515.2799571272.

The spelling of 136813751 in words is "one hundred thirty-six million, eight hundred thirteen thousand, seven hundred fifty-one".