131444061 has 16 divisors (see below), whose sum is σ = 206757888. Its totient is φ = 72687600.

The previous prime is 131444041. The next prime is 131444069. The reversal of 131444061 is 160444131.

It is not a de Polignac number, because 131444061 - 2¹⁷ = 131312989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100305 + ... + 101606.

It is an arithmetic number, because the mean of its divisors is an integer number (12922368).

Almost surely, 2^131444061 is an apocalyptic number.

It is an amenable number.

131444061 is a deficient number, since it is larger than the sum of its proper divisors (75313827).

131444061 is a wasteful number, since it uses less digits than its factorization.

131444061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201952.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 131444061 is about 11464.9056254293. The cubic root of 131444061 is about 508.4485222314.

Adding to 131444061 its reverse (160444131), we get a palindrome (291888192).

It can be divided in two parts, 13144 and 4061, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 131444061 in words is "one hundred thirty-one million, four hundred forty-four thousand, sixty-one".