136451508299 has 2 divisors, whose sum is σ = 136451508300. Its totient is φ = 136451508298.

The previous prime is 136451508269. The next prime is 136451508301. The reversal of 136451508299 is 992805154631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136451508299 is a prime.

Together with 136451508301, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136451508299.

It is not a weakly prime, because it can be changed into another prime (136451508269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68225754149 + 68225754150.

It is an arithmetic number, because the mean of its divisors is an integer number (68225754150).

Almost surely, 2^136451508299 is an apocalyptic number.

136451508299 is a deficient number, since it is larger than the sum of its proper divisors (1).

136451508299 is an equidigital number, since it uses as much as digits as its factorization.

136451508299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 136451508299 in words is "one hundred thirty-six billion, four hundred fifty-one million, five hundred eight thousand, two hundred ninety-nine".