2131146236 has 24 divisors (see below), whose sum is σ = 3893387904. Its totient is φ = 1018790960.

The previous prime is 2131146223. The next prime is 2131146247. The reversal of 2131146236 is 6326411312.

It is a junction number, because it is equal to n+sod(n) for n = 2131146199 and 2131146208.

It is a congruent number.

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, 302231 + ... + 309201.

It is an arithmetic number, because the mean of its divisors is an integer number (162224496).

Almost surely, 2^2131146236 is an apocalyptic number.

It is an amenable number.

2131146236 is a deficient number, since it is larger than the sum of its proper divisors (1762241668).

2131146236 is a wasteful number, since it uses less digits than its factorization.

2131146236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10319 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2131146236 is about 46164.3394407415. The cubic root of 2131146236 is about 1286.8791083738.

Adding to 2131146236 its reverse (6326411312), we get a palindrome (8457557548).

The spelling of 2131146236 in words is "two billion, one hundred thirty-one million, one hundred forty-six thousand, two hundred thirty-six".