132315647 has 2 divisors, whose sum is σ = 132315648. Its totient is φ = 132315646.

The previous prime is 132315637. The next prime is 132315653. The reversal of 132315647 is 746513231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132315647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132315637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66157823 + 66157824.

It is an arithmetic number, because the mean of its divisors is an integer number (66157824).

Almost surely, 2^132315647 is an apocalyptic number.

132315647 is a deficient number, since it is larger than the sum of its proper divisors (1).

132315647 is an equidigital number, since it uses as much as digits as its factorization.

132315647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 132315647 is about 11502.8538632811. The cubic root of 132315647 is about 509.5698628760.

Adding to 132315647 its reverse (746513231), we get a palindrome (878828878).

The spelling of 132315647 in words is "one hundred thirty-two million, three hundred fifteen thousand, six hundred forty-seven".