13985187735 has 16 divisors (see below), whose sum is σ = 22379831136. Its totient is φ = 7457589888.

The previous prime is 13985187731. The next prime is 13985187757. The reversal of 13985187735 is 53778158931.

It is not a de Polignac number, because 13985187735 - 2² = 13985187731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13985187731) 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, 29317 + ... + 169793.

It is an arithmetic number, because the mean of its divisors is an integer number (1398739446).

Almost surely, 2^13985187735 is an apocalyptic number.

13985187735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13985187735 is a deficient number, since it is larger than the sum of its proper divisors (8394643401).

13985187735 is a wasteful number, since it uses less digits than its factorization.

13985187735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147122.

The product of its digits is 6350400, while the sum is 57.

The spelling of 13985187735 in words is "thirteen billion, nine hundred eighty-five million, one hundred eighty-seven thousand, seven hundred thirty-five".