136975522459 has 2 divisors, whose sum is σ = 136975522460. Its totient is φ = 136975522458.

The previous prime is 136975522457. The next prime is 136975522531. The reversal of 136975522459 is 954225579631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136975522459 - 2¹ = 136975522457 is a prime.

Together with 136975522457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136975522457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68487761229 + 68487761230.

It is an arithmetic number, because the mean of its divisors is an integer number (68487761230).

Almost surely, 2^136975522459 is an apocalyptic number.

136975522459 is a deficient number, since it is larger than the sum of its proper divisors (1).

136975522459 is an equidigital number, since it uses as much as digits as its factorization.

136975522459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412000, while the sum is 58.

The spelling of 136975522459 in words is "one hundred thirty-six billion, nine hundred seventy-five million, five hundred twenty-two thousand, four hundred fifty-nine".