14158485140 has 24 divisors (see below), whose sum is σ = 29801504040. Its totient is φ = 5650311168.

The previous prime is 14158485073. The next prime is 14158485161. The reversal of 14158485140 is 4158485141.

It can be written as a sum of positive squares in 4 ways, for example, as 2131853584 + 12026631556 = 46172^2 + 109666^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808805 + ... + 826124.

It is an arithmetic number, because the mean of its divisors is an integer number (1241729335).

Almost surely, 2^14158485140 is an apocalyptic number.

14158485140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14158485140 is an abundant number, since it is smaller than the sum of its proper divisors (15643018900).

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

14158485140 is a wasteful number, since it uses less digits than its factorization.

14158485140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635371 (or 1635369 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

Subtracting from 14158485140 its reverse (4158485141), we obtain a palindrome (9999999999).

The spelling of 14158485140 in words is "fourteen billion, one hundred fifty-eight million, four hundred eighty-five thousand, one hundred forty".