13520113143 has 16 divisors (see below), whose sum is σ = 18092983296. Its totient is φ = 8980382880.

The previous prime is 13520113097. The next prime is 13520113163. The reversal of 13520113143 is 34131102531.

It is not a de Polignac number, because 13520113143 - 2²¹ = 13518015991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520113163) 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, 1032946 + ... + 1045952.

It is an arithmetic number, because the mean of its divisors is an integer number (1130811456).

Almost surely, 2^13520113143 is an apocalyptic number.

13520113143 is a deficient number, since it is larger than the sum of its proper divisors (4572870153).

13520113143 is a wasteful number, since it uses less digits than its factorization.

13520113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14254.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13520113143 its reverse (34131102531), we get a palindrome (47651215674).

The spelling of 13520113143 in words is "thirteen billion, five hundred twenty million, one hundred thirteen thousand, one hundred forty-three".