136260135203 has 16 divisors (see below), whose sum is σ = 138990297600. Its totient is φ = 133582985128.

The previous prime is 136260135181. The next prime is 136260135227. The reversal of 136260135203 is 302531062631.

It is not a de Polignac number, because 136260135203 - 2²⁰ = 136259086627 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 136260135203.

It is not an unprimeable number, because it can be changed into a prime (136260135703) 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, 103304978 + ... + 103306296.

It is an arithmetic number, because the mean of its divisors is an integer number (8686893600).

Almost surely, 2^136260135203 is an apocalyptic number.

136260135203 is a deficient number, since it is larger than the sum of its proper divisors (2730162397).

136260135203 is an frugal number, since it uses more digits than its factorization.

136260135203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 136260135203 its reverse (302531062631), we get a palindrome (438791197834).

The spelling of 136260135203 in words is "one hundred thirty-six billion, two hundred sixty million, one hundred thirty-five thousand, two hundred three".