136391335289 has 16 divisors (see below), whose sum is σ = 156634015680. Its totient is φ = 117456932160.

The previous prime is 136391335247. The next prime is 136391335331. The reversal of 136391335289 is 982533193631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136391335247) and next prime (136391335331).

It is a cyclic number.

It is not a de Polignac number, because 136391335289 - 2⁸ = 136391335033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136391335289.

It is not an unprimeable number, because it can be changed into a prime (136391335229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4616087 + ... + 4645539.

It is an arithmetic number, because the mean of its divisors is an integer number (9789625980).

Almost surely, 2^136391335289 is an apocalyptic number.

136391335289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136391335289 is a deficient number, since it is larger than the sum of its proper divisors (20242680391).

136391335289 is a wasteful number, since it uses less digits than its factorization.

136391335289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51640.

The product of its digits is 3149280, while the sum is 53.

The spelling of 136391335289 in words is "one hundred thirty-six billion, three hundred ninety-one million, three hundred thirty-five thousand, two hundred eighty-nine".