13140223429 has 4 divisors (see below), whose sum is σ = 13150916460. Its totient is φ = 13129530400.

The previous prime is 13140223391. The next prime is 13140223451. The reversal of 13140223429 is 92432204131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12605226529 + 534996900 = 112273^2 + 23130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13140223429 - 2¹³ = 13140215237 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 13140223429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140221429) 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, 5344672 + ... + 5347129.

It is an arithmetic number, because the mean of its divisors is an integer number (3287729115).

Almost surely, 2^13140223429 is an apocalyptic number.

It is an amenable number.

13140223429 is a deficient number, since it is larger than the sum of its proper divisors (10693031).

13140223429 is a wasteful number, since it uses less digits than its factorization.

13140223429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693030.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 13140223429 in words is "thirteen billion, one hundred forty million, two hundred twenty-three thousand, four hundred twenty-nine".