131245344 has 72 divisors (see below), whose sum is σ = 376805520. Its totient is φ = 43329408.

The previous prime is 131245277. The next prime is 131245393. The reversal of 131245344 is 443542131.

It is a happy number.

131245344 is a `hidden beast` number, since 1 + 3 + 124 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28687 + ... + 32945.

It is an arithmetic number, because the mean of its divisors is an integer number (5233410).

Almost surely, 2^131245344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131245344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188402760).

131245344 is an abundant number, since it is smaller than the sum of its proper divisors (245560176).

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

131245344 is a wasteful number, since it uses less digits than its factorization.

131245344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 4371 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 131245344 is about 11456.2360310880. The cubic root of 131245344 is about 508.1921690139.

Adding to 131245344 its reverse (443542131), we get a palindrome (574787475).

It can be divided in two parts, 1312 and 45344, that added together give a 6-th power (46656 = 6⁶).

The spelling of 131245344 in words is "one hundred thirty-one million, two hundred forty-five thousand, three hundred forty-four".