13870852636 has 24 divisors (see below), whose sum is σ = 25706975616. Its totient is φ = 6526164480.

The previous prime is 13870852631. The next prime is 13870852637. The reversal of 13870852636 is 63625807831.

It is a self number, because there is not a number n which added to its sum of digits gives 13870852636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870852631) 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, 383701 + ... + 418291.

It is an arithmetic number, because the mean of its divisors is an integer number (1071123984).

Almost surely, 2^13870852636 is an apocalyptic number.

It is an amenable number.

13870852636 is a deficient number, since it is larger than the sum of its proper divisors (11836122980).

13870852636 is a wasteful number, since it uses less digits than its factorization.

13870852636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40509 (or 40507 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 13870852636 in words is "thirteen billion, eight hundred seventy million, eight hundred fifty-two thousand, six hundred thirty-six".