131732746 has 8 divisors (see below), whose sum is σ = 197710884. Its totient is φ = 65829120.

The previous prime is 131732743. The next prime is 131732747. The reversal of 131732746 is 647237131.

It can be written as a sum of positive squares in 2 ways, for example, as 131675625 + 57121 = 11475^2 + 239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131732743) 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 3 ways as a sum of consecutive naturals, for example, 13975 + ... + 21418.

Almost surely, 2^131732746 is an apocalyptic number.

131732746 is a deficient number, since it is larger than the sum of its proper divisors (65978138).

131732746 is a wasteful number, since it uses less digits than its factorization.

131732746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37256.

The product of its digits is 21168, while the sum is 34.

The square root of 131732746 is about 11477.4886625951. The cubic root of 131732746 is about 508.8204780145.

Adding to 131732746 its reverse (647237131), we get a palindrome (778969877).

The spelling of 131732746 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, seven hundred forty-six".