13085474140 has 12 divisors (see below), whose sum is σ = 27479495736. Its totient is φ = 5234189648.

The previous prime is 13085474137. The next prime is 13085474147. The reversal of 13085474140 is 4147458031.

It is a self number, because there is not a number n which added to its sum of digits gives 13085474140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085474147) 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, 327136834 + ... + 327136873.

It is an arithmetic number, because the mean of its divisors is an integer number (2289957978).

Almost surely, 2^13085474140 is an apocalyptic number.

13085474140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13085474140 is an abundant number, since it is smaller than the sum of its proper divisors (14394021596).

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

13085474140 is a wasteful number, since it uses less digits than its factorization.

13085474140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654273716 (or 654273714 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 13085474140 in words is "thirteen billion, eighty-five million, four hundred seventy-four thousand, one hundred forty".