130961444 has 6 divisors (see below), whose sum is σ = 229182534. Its totient is φ = 65480720.

The previous prime is 130961407. The next prime is 130961447. The reversal of 130961444 is 444169031.

It is a happy number.

130961444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 114233344 + 16728100 = 10688^2 + 4090^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130961444.

It is not an unprimeable number, because it can be changed into a prime (130961447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16370177 + ... + 16370184.

It is an arithmetic number, because the mean of its divisors is an integer number (38197089).

Almost surely, 2^130961444 is an apocalyptic number.

It is an amenable number.

130961444 is a deficient number, since it is larger than the sum of its proper divisors (98221090).

130961444 is a wasteful number, since it uses less digits than its factorization.

130961444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32740365 (or 32740363 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 130961444 is about 11443.8386916279. The cubic root of 130961444 is about 507.8254768673.

The spelling of 130961444 in words is "one hundred thirty million, nine hundred sixty-one thousand, four hundred forty-four".