14139898 has 4 divisors (see below), whose sum is σ = 21209850. Its totient is φ = 7069948.

The previous prime is 14139893. The next prime is 14139911. The reversal of 14139898 is 89893141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 3790809 = 3217^2 + 1947^2 .

It is not an unprimeable number, because it can be changed into a prime (14139893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3534973 + ... + 3534976.

Almost surely, 2^14139898 is an apocalyptic number.

14139898 is a deficient number, since it is larger than the sum of its proper divisors (7069952).

14139898 is an equidigital number, since it uses as much as digits as its factorization.

14139898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069951.

The product of its digits is 62208, while the sum is 43.

The square root of 14139898 is about 3760.3055726895. The cubic root of 14139898 is about 241.8143625636.

It can be divided in two parts, 1413 and 9898, that added together give a palindrome (11311).

The spelling of 14139898 in words is "fourteen million, one hundred thirty-nine thousand, eight hundred ninety-eight".