131732479 has 4 divisors (see below), whose sum is σ = 132307960. Its totient is φ = 131157000.

The previous prime is 131732459. The next prime is 131732527. The reversal of 131732479 is 974237131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974237131 = 7 ⋅139176733.

It is a cyclic number.

It is not a de Polignac number, because 131732479 - 2⁷ = 131732351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131732449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287397 + ... + 287854.

It is an arithmetic number, because the mean of its divisors is an integer number (33076990).

Almost surely, 2^131732479 is an apocalyptic number.

131732479 is a deficient number, since it is larger than the sum of its proper divisors (575481).

131732479 is an equidigital number, since it uses as much as digits as its factorization.

131732479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575480.

The product of its digits is 31752, while the sum is 37.

The square root of 131732479 is about 11477.4770311249. The cubic root of 131732479 is about 508.8201342499.

The spelling of 131732479 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, four hundred seventy-nine".