136786079 has 2 divisors, whose sum is σ = 136786080. Its totient is φ = 136786078.

The previous prime is 136786049. The next prime is 136786087. The reversal of 136786079 is 970687631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136786079 - 2⁸ = 136785823 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 (136786009) 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, 68393039 + 68393040.

It is an arithmetic number, because the mean of its divisors is an integer number (68393040).

Almost surely, 2^136786079 is an apocalyptic number.

136786079 is a deficient number, since it is larger than the sum of its proper divisors (1).

136786079 is an equidigital number, since it uses as much as digits as its factorization.

136786079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 136786079 is about 11695.5580884368. The cubic root of 136786079 is about 515.2452145463.

The spelling of 136786079 in words is "one hundred thirty-six million, seven hundred eighty-six thousand, seventy-nine".