136678007 has 2 divisors, whose sum is σ = 136678008. Its totient is φ = 136678006.

The previous prime is 136677991. The next prime is 136678019. The reversal of 136678007 is 700876631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136678007 - 2⁴ = 136677991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136678097) 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, 68339003 + 68339004.

It is an arithmetic number, because the mean of its divisors is an integer number (68339004).

Almost surely, 2^136678007 is an apocalyptic number.

136678007 is a deficient number, since it is larger than the sum of its proper divisors (1).

136678007 is an equidigital number, since it uses as much as digits as its factorization.

136678007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 136678007 is about 11690.9369598848. The cubic root of 136678007 is about 515.1094837456.

The spelling of 136678007 in words is "one hundred thirty-six million, six hundred seventy-eight thousand, seven".