131802128 has 40 divisors (see below), whose sum is σ = 260965440. Its totient is φ = 64471680.

The previous prime is 131802089. The next prime is 131802131. The reversal of 131802128 is 821208131.

It is a junction number, because it is equal to n+sod(n) for n = 131802097 and 131802106.

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, 177983 + ... + 178721.

It is an arithmetic number, because the mean of its divisors is an integer number (6524136).

Almost surely, 2^131802128 is an apocalyptic number.

It is an amenable number.

131802128 is a deficient number, since it is larger than the sum of its proper divisors (129163312).

131802128 is a wasteful number, since it uses less digits than its factorization.

131802128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 131802128 is about 11480.5107900302. The cubic root of 131802128 is about 508.9097921433.

The spelling of 131802128 in words is "one hundred thirty-one million, eight hundred two thousand, one hundred twenty-eight".