20131412135 has 16 divisors (see below), whose sum is σ = 24325975776. Its totient is φ = 15993065088.

The previous prime is 20131412129. The next prime is 20131412143. The reversal of 20131412135 is 53121413102.

It is a cyclic number.

It is not a de Polignac number, because 20131412135 - 2⁶ = 20131412071 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 20131412135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1510772 + ... + 1524038.

It is an arithmetic number, because the mean of its divisors is an integer number (1520373486).

Almost surely, 2^20131412135 is an apocalyptic number.

20131412135 is a deficient number, since it is larger than the sum of its proper divisors (4194563641).

20131412135 is a wasteful number, since it uses less digits than its factorization.

20131412135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20131412135 its reverse (53121413102), we get a palindrome (73252825237).

The spelling of 20131412135 in words is "twenty billion, one hundred thirty-one million, four hundred twelve thousand, one hundred thirty-five".