13812387146 has 8 divisors (see below), whose sum is σ = 20834327520. Its totient is φ = 6867611308.

The previous prime is 13812387143. The next prime is 13812387223. The reversal of 13812387146 is 64178321831.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13812387097 and 13812387106.

It is not an unprimeable number, because it can be changed into a prime (13812387143) 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, 19290686 + ... + 19291401.

It is an arithmetic number, because the mean of its divisors is an integer number (2604290940).

Almost surely, 2^13812387146 is an apocalyptic number.

13812387146 is a deficient number, since it is larger than the sum of its proper divisors (7021940374).

13812387146 is a wasteful number, since it uses less digits than its factorization.

13812387146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38582268.

The product of its digits is 193536, while the sum is 44.

The spelling of 13812387146 in words is "thirteen billion, eight hundred twelve million, three hundred eighty-seven thousand, one hundred forty-six".