14851574138 has 4 divisors (see below), whose sum is σ = 22277361210. Its totient is φ = 7425787068.

The previous prime is 14851574131. The next prime is 14851574159. The reversal of 14851574138 is 83147515841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83147515841 = 13 ⋅6395962757.

It can be written as a sum of positive squares in only one way, i.e., 12497674849 + 2353899289 = 111793^2 + 48517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14851574092 and 14851574101.

It is not an unprimeable number, because it can be changed into a prime (14851574131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712893533 + ... + 3712893536.

Almost surely, 2^14851574138 is an apocalyptic number.

14851574138 is a deficient number, since it is larger than the sum of its proper divisors (7425787072).

14851574138 is an equidigital number, since it uses as much as digits as its factorization.

14851574138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425787071.

The product of its digits is 537600, while the sum is 47.

The spelling of 14851574138 in words is "fourteen billion, eight hundred fifty-one million, five hundred seventy-four thousand, one hundred thirty-eight".