131236262128 has 20 divisors (see below), whose sum is σ = 260183521048. Its totient is φ = 64092127680.

The previous prime is 131236262119. The next prime is 131236262137. The reversal of 131236262128 is 821262632131.

It is an interprime number because it is at equal distance from previous prime (131236262119) and next prime (131236262137).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95374503 + ... + 95375878.

Almost surely, 2^131236262128 is an apocalyptic number.

It is an amenable number.

131236262128 is a deficient number, since it is larger than the sum of its proper divisors (128947258920).

131236262128 is a wasteful number, since it uses less digits than its factorization.

131236262128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190750432 (or 190750426 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

Adding to 131236262128 its reverse (821262632131), we get a palindrome (952498894259).

The spelling of 131236262128 in words is "one hundred thirty-one billion, two hundred thirty-six million, two hundred sixty-two thousand, one hundred twenty-eight".