131128862 has 8 divisors (see below), whose sum is σ = 198903600. Its totient is φ = 64827664.

The previous prime is 131128843. The next prime is 131128867. The reversal of 131128862 is 268821131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131128867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368162 + ... + 368517.

It is an arithmetic number, because the mean of its divisors is an integer number (24862950).

Almost surely, 2^131128862 is an apocalyptic number.

131128862 is a deficient number, since it is larger than the sum of its proper divisors (67774738).

131128862 is an equidigital number, since it uses as much as digits as its factorization.

131128862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736770.

The product of its digits is 4608, while the sum is 32.

The square root of 131128862 is about 11451.1511211755. The cubic root of 131128862 is about 508.0417820636.

Adding to 131128862 its reverse (268821131), we get a palindrome (399949993).

The spelling of 131128862 in words is "one hundred thirty-one million, one hundred twenty-eight thousand, eight hundred sixty-two".