13920003143 has 2 divisors, whose sum is σ = 13920003144. Its totient is φ = 13920003142.

The previous prime is 13920003091. The next prime is 13920003173. The reversal of 13920003143 is 34130002931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13920003143 - 2¹⁶ = 13919937607 is a prime.

It is a super-2 number, since 2×13920003143² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13920003173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6960001571 + 6960001572.

It is an arithmetic number, because the mean of its divisors is an integer number (6960001572).

Almost surely, 2^13920003143 is an apocalyptic number.

13920003143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13920003143 is an equidigital number, since it uses as much as digits as its factorization.

13920003143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 13920003143 in words is "thirteen billion, nine hundred twenty million, three thousand, one hundred forty-three".