136081507 has 2 divisors, whose sum is σ = 136081508. Its totient is φ = 136081506.

The previous prime is 136081499. The next prime is 136081531. The reversal of 136081507 is 705180631.

It is a weak prime.

It is an emirp because it is prime and its reverse (705180631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136081507 - 2³ = 136081499 is a prime.

It is not a weakly prime, because it can be changed into another prime (136081577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68040753 + 68040754.

It is an arithmetic number, because the mean of its divisors is an integer number (68040754).

Almost surely, 2^136081507 is an apocalyptic number.

136081507 is a deficient number, since it is larger than the sum of its proper divisors (1).

136081507 is an equidigital number, since it uses as much as digits as its factorization.

136081507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 136081507 is about 11665.3978500521. The cubic root of 136081507 is about 514.3590316585.

The spelling of 136081507 in words is "one hundred thirty-six million, eighty-one thousand, five hundred seven".