15142224134 has 4 divisors (see below), whose sum is σ = 22713336204. Its totient is φ = 7571112066.

The previous prime is 15142224109. The next prime is 15142224191. The reversal of 15142224134 is 43142224151.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15142224097 and 15142224106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3785556032 + ... + 3785556035.

It is an arithmetic number, because the mean of its divisors is an integer number (5678334051).

Almost surely, 2^15142224134 is an apocalyptic number.

15142224134 is a deficient number, since it is larger than the sum of its proper divisors (7571112070).

15142224134 is an equidigital number, since it uses as much as digits as its factorization.

15142224134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7571112069.

The product of its digits is 7680, while the sum is 29.

Adding to 15142224134 its reverse (43142224151), we get a palindrome (58284448285).

The spelling of 15142224134 in words is "fifteen billion, one hundred forty-two million, two hundred twenty-four thousand, one hundred thirty-four".