13131147146 has 16 divisors (see below), whose sum is σ = 21399573384. Its totient is φ = 6006895104.

The previous prime is 13131147137. The next prime is 13131147151. The reversal of 13131147146 is 64174113131.

It can be written as a sum of positive squares in 4 ways, for example, as 1659666121 + 11471481025 = 40739^2 + 107105^2 .

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, 2231771 + ... + 2237646.

Almost surely, 2^13131147146 is an apocalyptic number.

13131147146 is a deficient number, since it is larger than the sum of its proper divisors (8268426238).

13131147146 is a wasteful number, since it uses less digits than its factorization.

13131147146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469545.

The product of its digits is 6048, while the sum is 32.

The spelling of 13131147146 in words is "thirteen billion, one hundred thirty-one million, one hundred forty-seven thousand, one hundred forty-six".