13885390734 has 8 divisors (see below), whose sum is σ = 27770781480. Its totient is φ = 4628463576.

The previous prime is 13885390723. The next prime is 13885390759. The reversal of 13885390734 is 43709358831.

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

13885390734 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157115889 + ... + 1157115900.

It is an arithmetic number, because the mean of its divisors is an integer number (3471347685).

Almost surely, 2^13885390734 is an apocalyptic number.

13885390734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13885390734 is a wasteful number, since it uses less digits than its factorization.

13885390734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314231794.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 13885390734 in words is "thirteen billion, eight hundred eighty-five million, three hundred ninety thousand, seven hundred thirty-four".