131244132 has 12 divisors (see below), whose sum is σ = 306236336. Its totient is φ = 43748040.

The previous prime is 131244119. The next prime is 131244133. The reversal of 131244132 is 231442131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131244099 and 131244108.

It is not an unprimeable number, because it can be changed into a prime (131244133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5468494 + ... + 5468517.

Almost surely, 2^131244132 is an apocalyptic number.

131244132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131244132 is an abundant number, since it is smaller than the sum of its proper divisors (174992204).

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

131244132 is a wasteful number, since it uses less digits than its factorization.

131244132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937018 (or 10937016 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 131244132 is about 11456.1831340111. The cubic root of 131244132 is about 508.1906046897.

Adding to 131244132 its reverse (231442131), we get a palindrome (362686263).

The spelling of 131244132 in words is "one hundred thirty-one million, two hundred forty-four thousand, one hundred thirty-two".