131420044 has 12 divisors (see below), whose sum is σ = 262840144. Its totient is φ = 56322864.

The previous prime is 131420039. The next prime is 131420063. The reversal of 131420044 is 440024131.

131420044 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346759 + ... + 2346814.

Almost surely, 2^131420044 is an apocalyptic number.

131420044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131420044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131420044 is a wasteful number, since it uses less digits than its factorization.

131420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693584 (or 4693582 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 131420044 is about 11463.8581638120. The cubic root of 131420044 is about 508.4175530320.

Adding to 131420044 its reverse (440024131), we get a palindrome (571444175).

The spelling of 131420044 in words is "one hundred thirty-one million, four hundred twenty thousand, forty-four".