13906530143 has 4 divisors (see below), whose sum is σ = 15170760168. Its totient is φ = 12642300120.

The previous prime is 13906530107. The next prime is 13906530151. The reversal of 13906530143 is 34103560931.

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

It is a cyclic number.

It is not a de Polignac number, because 13906530143 - 2¹² = 13906526047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13906530173) 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, 632114996 + ... + 632115017.

It is an arithmetic number, because the mean of its divisors is an integer number (3792690042).

Almost surely, 2^13906530143 is an apocalyptic number.

13906530143 is a deficient number, since it is larger than the sum of its proper divisors (1264230025).

13906530143 is a wasteful number, since it uses less digits than its factorization.

13906530143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264230024.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 13906530143 in words is "thirteen billion, nine hundred six million, five hundred thirty thousand, one hundred forty-three".