13887042730 has 32 divisors (see below), whose sum is σ = 27411913728. Its totient is φ = 5023387200.

The previous prime is 13887042713. The next prime is 13887042737. The reversal of 13887042730 is 3724078831.

It is not an unprimeable number, because it can be changed into a prime (13887042737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309477 + ... + 351496.

It is an arithmetic number, because the mean of its divisors is an integer number (856622304).

Almost surely, 2^13887042730 is an apocalyptic number.

13887042730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13887042730 is a deficient number, since it is larger than the sum of its proper divisors (13524870998).

13887042730 is a wasteful number, since it uses less digits than its factorization.

13887042730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661182.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 13887042730 in words is "thirteen billion, eight hundred eighty-seven million, forty-two thousand, seven hundred thirty".