136493767 has 2 divisors, whose sum is σ = 136493768. Its totient is φ = 136493766.

The previous prime is 136493699. The next prime is 136493779. The reversal of 136493767 is 767394631.

It is a strong prime.

It is an emirp because it is prime and its reverse (767394631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136493767 - 2⁷ = 136493639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136493167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68246883 + 68246884.

It is an arithmetic number, because the mean of its divisors is an integer number (68246884).

Almost surely, 2^136493767 is an apocalyptic number.

136493767 is a deficient number, since it is larger than the sum of its proper divisors (1).

136493767 is an equidigital number, since it uses as much as digits as its factorization.

136493767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 136493767 is about 11683.0546947277. The cubic root of 136493767 is about 514.8779262616.

The spelling of 136493767 in words is "one hundred thirty-six million, four hundred ninety-three thousand, seven hundred sixty-seven".