131485628 has 12 divisors (see below), whose sum is σ = 231089040. Its totient is φ = 65460192.

The previous prime is 131485621. The next prime is 131485631. The reversal of 131485628 is 826584131.

It is a junction number, because it is equal to n+sod(n) for n = 131485591 and 131485600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131485621) 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, 69608 + ... + 71471.

It is an arithmetic number, because the mean of its divisors is an integer number (19257420).

Almost surely, 2^131485628 is an apocalyptic number.

It is an amenable number.

131485628 is a deficient number, since it is larger than the sum of its proper divisors (99603412).

131485628 is a wasteful number, since it uses less digits than its factorization.

131485628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141316 (or 141314 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 131485628 is about 11466.7182750777. The cubic root of 131485628 is about 508.5021127147.

The spelling of 131485628 in words is "one hundred thirty-one million, four hundred eighty-five thousand, six hundred twenty-eight".