14121281890 has 16 divisors (see below), whose sum is σ = 25420059000. Its totient is φ = 5648123520.

The previous prime is 14121281887. The next prime is 14121281957. The reversal of 14121281890 is 9818212141.

It is a Cunningham number, because it is equal to 118833²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5083547401 + 9037734489 = 71299^2 + 95067^2 .

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, 137710 + ... + 217270.

Almost surely, 2^14121281890 is an apocalyptic number.

14121281890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14121281890 is a deficient number, since it is larger than the sum of its proper divisors (11298777110).

14121281890 is a wasteful number, since it uses less digits than its factorization.

14121281890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97317.

The product of its (nonzero) digits is 9216, while the sum is 37.

The spelling of 14121281890 in words is "fourteen billion, one hundred twenty-one million, two hundred eighty-one thousand, eight hundred ninety".