131944248 has 64 divisors (see below), whose sum is σ = 369388800. Its totient is φ = 43636320.

The previous prime is 131944247. The next prime is 131944283. The reversal of 131944248 is 842449131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131944247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25965 + ... + 30627.

It is an arithmetic number, because the mean of its divisors is an integer number (5771700).

Almost surely, 2^131944248 is an apocalyptic number.

131944248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131944248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184694400).

131944248 is an abundant number, since it is smaller than the sum of its proper divisors (237444552).

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

131944248 is a wasteful number, since it uses less digits than its factorization.

131944248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809 (or 4799 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 131944248 is about 11486.6987424586. The cubic root of 131944248 is about 509.0926427044.

The spelling of 131944248 in words is "one hundred thirty-one million, nine hundred forty-four thousand, two hundred forty-eight".