13861813143 has 8 divisors (see below), whose sum is σ = 18584531056. Its totient is φ = 9190152000.

The previous prime is 13861813139. The next prime is 13861813157. The reversal of 13861813143 is 34131816831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13861813143 - 2² = 13861813139 is a prime.

It is a super-2 number, since 2×13861813143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13861813103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12763558 + ... + 12764643.

It is an arithmetic number, because the mean of its divisors is an integer number (2323066382).

Almost surely, 2^13861813143 is an apocalyptic number.

13861813143 is a deficient number, since it is larger than the sum of its proper divisors (4722717913).

13861813143 is a wasteful number, since it uses less digits than its factorization.

13861813143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528385.

The product of its digits is 41472, while the sum is 39.

The spelling of 13861813143 in words is "thirteen billion, eight hundred sixty-one million, eight hundred thirteen thousand, one hundred forty-three".