136479787 has 2 divisors, whose sum is σ = 136479788. Its totient is φ = 136479786.

The previous prime is 136479781. The next prime is 136479799. The reversal of 136479787 is 787974631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136479787 - 2³ = 136479779 is a prime.

It is not a weakly prime, because it can be changed into another prime (136479781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68239893 + 68239894.

It is an arithmetic number, because the mean of its divisors is an integer number (68239894).

Almost surely, 2^136479787 is an apocalyptic number.

136479787 is a deficient number, since it is larger than the sum of its proper divisors (1).

136479787 is an equidigital number, since it uses as much as digits as its factorization.

136479787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 52.

The square root of 136479787 is about 11682.4563769783. The cubic root of 136479787 is about 514.8603473413.

The spelling of 136479787 in words is "one hundred thirty-six million, four hundred seventy-nine thousand, seven hundred eighty-seven".