131345752 has 16 divisors (see below), whose sum is σ = 247699440. Its totient is φ = 65292576.

The previous prime is 131345743. The next prime is 131345759. The reversal of 131345752 is 257543131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131345759) 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, 46068 + ... + 48835.

It is an arithmetic number, because the mean of its divisors is an integer number (15481215).

Almost surely, 2^131345752 is an apocalyptic number.

It is an amenable number.

131345752 is a deficient number, since it is larger than the sum of its proper divisors (116353688).

131345752 is a wasteful number, since it uses less digits than its factorization.

131345752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95082 (or 95078 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 131345752 is about 11460.6174353741. The cubic root of 131345752 is about 508.3217318383.

Adding to 131345752 its reverse (257543131), we get a palindrome (388888883).

The spelling of 131345752 in words is "one hundred thirty-one million, three hundred forty-five thousand, seven hundred fifty-two".