131732747 has 2 divisors, whose sum is σ = 131732748. Its totient is φ = 131732746.

The previous prime is 131732743. The next prime is 131732749. The reversal of 131732747 is 747237131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131732747 - 2² = 131732743 is a prime.

Together with 131732749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131732743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65866373 + 65866374.

It is an arithmetic number, because the mean of its divisors is an integer number (65866374).

Almost surely, 2^131732747 is an apocalyptic number.

131732747 is a deficient number, since it is larger than the sum of its proper divisors (1).

131732747 is an equidigital number, since it uses as much as digits as its factorization.

131732747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 35.

The square root of 131732747 is about 11477.4887061587. The cubic root of 131732747 is about 508.8204793020.

Adding to 131732747 its reverse (747237131), we get a palindrome (878969878).

The spelling of 131732747 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, seven hundred forty-seven".