131984444 has 6 divisors (see below), whose sum is σ = 230972784. Its totient is φ = 65992220.

The previous prime is 131984443. The next prime is 131984449. The reversal of 131984444 is 444489131.

It is a junction number, because it is equal to n+sod(n) for n = 131984398 and 131984407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131984441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16498052 + ... + 16498059.

It is an arithmetic number, because the mean of its divisors is an integer number (38495464).

Almost surely, 2^131984444 is an apocalyptic number.

It is an amenable number.

131984444 is a deficient number, since it is larger than the sum of its proper divisors (98988340).

131984444 is a wasteful number, since it uses less digits than its factorization.

131984444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32996115 (or 32996113 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 131984444 is about 11488.4482851254. The cubic root of 131984444 is about 509.1443347650.

The spelling of 131984444 in words is "one hundred thirty-one million, nine hundred eighty-four thousand, four hundred forty-four".