136813451 has 2 divisors, whose sum is σ = 136813452. Its totient is φ = 136813450.

The previous prime is 136813429. The next prime is 136813463. The reversal of 136813451 is 154318631.

136813451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (154318631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136813451 - 2¹⁰ = 136812427 is a prime.

It is not a weakly prime, because it can be changed into another prime (136813751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68406725 + 68406726.

It is an arithmetic number, because the mean of its divisors is an integer number (68406726).

Almost surely, 2^136813451 is an apocalyptic number.

136813451 is a deficient number, since it is larger than the sum of its proper divisors (1).

136813451 is an equidigital number, since it uses as much as digits as its factorization.

136813451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 136813451 is about 11696.7282177539. The cubic root of 136813451 is about 515.2795804981.

The spelling of 136813451 in words is "one hundred thirty-six million, eight hundred thirteen thousand, four hundred fifty-one".