131532254 has 8 divisors (see below), whose sum is σ = 225483888. Its totient is φ = 56370960.

The previous prime is 131532251. The next prime is 131532259. The reversal of 131532254 is 452235131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131532251) 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 3 ways as a sum of consecutive naturals, for example, 4697567 + ... + 4697594.

It is an arithmetic number, because the mean of its divisors is an integer number (28185486).

Almost surely, 2^131532254 is an apocalyptic number.

131532254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131532254 is a deficient number, since it is larger than the sum of its proper divisors (93951634).

131532254 is an equidigital number, since it uses as much as digits as its factorization.

131532254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395170.

The product of its digits is 3600, while the sum is 26.

The square root of 131532254 is about 11468.7511961852. The cubic root of 131532254 is about 508.5622121033.

Adding to 131532254 its reverse (452235131), we get a palindrome (583767385).

The spelling of 131532254 in words is "one hundred thirty-one million, five hundred thirty-two thousand, two hundred fifty-four".