13140111412 has 12 divisors (see below), whose sum is σ = 23006323620. Its totient is φ = 6566876096.

The previous prime is 13140111379. The next prime is 13140111419. The reversal of 13140111412 is 21411104131.

It can be written as a sum of positive squares in 2 ways, for example, as 8173244836 + 4966866576 = 90406^2 + 70476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13140111412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140111419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785593 + ... + 802144.

It is an arithmetic number, because the mean of its divisors is an integer number (1917193635).

Almost surely, 2^13140111412 is an apocalyptic number.

It is an amenable number.

13140111412 is a deficient number, since it is larger than the sum of its proper divisors (9866212208).

13140111412 is a wasteful number, since it uses less digits than its factorization.

13140111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589810 (or 1589808 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13140111412 its reverse (21411104131), we get a palindrome (34551215543).

The spelling of 13140111412 in words is "thirteen billion, one hundred forty million, one hundred eleven thousand, four hundred twelve".