131239248 has 60 divisors (see below), whose sum is σ = 394394400. Its totient is φ = 37496256.

The previous prime is 131239247. The next prime is 131239253. The reversal of 131239248 is 842932131.

131239248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131239247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25548 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (6573240).

Almost surely, 2^131239248 is an apocalyptic number.

It is an amenable number.

131239248 is an abundant number, since it is smaller than the sum of its proper divisors (263155152).

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

131239248 is a wasteful number, since it uses less digits than its factorization.

131239248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55824 (or 55811 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 131239248 is about 11455.9699720277. The cubic root of 131239248 is about 508.1843008302.

The spelling of 131239248 in words is "one hundred thirty-one million, two hundred thirty-nine thousand, two hundred forty-eight".