136646254403 has 6 divisors (see below), whose sum is σ = 141520675764. Its totient is φ = 131934313784.

The previous prime is 136646254399. The next prime is 136646254411. The reversal of 136646254403 is 304452646631.

It is not a de Polignac number, because 136646254403 - 2² = 136646254399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136646251403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81239501 + ... + 81241182.

It is an arithmetic number, because the mean of its divisors is an integer number (23586779294).

Almost surely, 2^136646254403 is an apocalyptic number.

136646254403 is a deficient number, since it is larger than the sum of its proper divisors (4874421361).

136646254403 is an equidigital number, since it uses as much as digits as its factorization.

136646254403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162480741 (or 162480712 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 136646254403 in words is "one hundred thirty-six billion, six hundred forty-six million, two hundred fifty-four thousand, four hundred three".