132638727317 has 2 divisors, whose sum is σ = 132638727318. Its totient is φ = 132638727316.

The previous prime is 132638727259. The next prime is 132638727323. The reversal of 132638727317 is 713727836231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131015765521 + 1622961796 = 361961^2 + 40286^2 .

It is a cyclic number.

It is not a de Polignac number, because 132638727317 - 2¹⁴ = 132638710933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132638727917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66319363658 + 66319363659.

It is an arithmetic number, because the mean of its divisors is an integer number (66319363659).

Almost surely, 2^132638727317 is an apocalyptic number.

It is an amenable number.

132638727317 is a deficient number, since it is larger than the sum of its proper divisors (1).

132638727317 is an equidigital number, since it uses as much as digits as its factorization.

132638727317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 50.

The spelling of 132638727317 in words is "one hundred thirty-two billion, six hundred thirty-eight million, seven hundred twenty-seven thousand, three hundred seventeen".