13231642146 has 32 divisors (see below), whose sum is σ = 27369570816. Its totient is φ = 4260048000.

The previous prime is 13231642141. The next prime is 13231642153. The reversal of 13231642146 is 64124613231.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13231642141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28636 + ... + 165176.

It is an arithmetic number, because the mean of its divisors is an integer number (855299088).

Almost surely, 2^13231642146 is an apocalyptic number.

13231642146 is an abundant number, since it is smaller than the sum of its proper divisors (14137928670).

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

13231642146 is a wasteful number, since it uses less digits than its factorization.

13231642146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137098.

The product of its digits is 20736, while the sum is 33.

The spelling of 13231642146 in words is "thirteen billion, two hundred thirty-one million, six hundred forty-two thousand, one hundred forty-six".