136896787 has 2 divisors, whose sum is σ = 136896788. Its totient is φ = 136896786.

The previous prime is 136896761. The next prime is 136896811. The reversal of 136896787 is 787698631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136896787 - 2⁷ = 136896659 is a prime.

It is not a weakly prime, because it can be changed into another prime (136896757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68448393 + 68448394.

It is an arithmetic number, because the mean of its divisors is an integer number (68448394).

Almost surely, 2^136896787 is an apocalyptic number.

136896787 is a deficient number, since it is larger than the sum of its proper divisors (1).

136896787 is an equidigital number, since it uses as much as digits as its factorization.

136896787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The square root of 136896787 is about 11700.2900391401. The cubic root of 136896787 is about 515.3841818681.

The spelling of 136896787 in words is "one hundred thirty-six million, eight hundred ninety-six thousand, seven hundred eighty-seven".