132661637 has 2 divisors, whose sum is σ = 132661638. Its totient is φ = 132661636.

The previous prime is 132661603. The next prime is 132661643. The reversal of 132661637 is 736166231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76020961 + 56640676 = 8719^2 + 7526^2 .

It is a cyclic number.

It is not a de Polignac number, because 132661637 - 2⁸ = 132661381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132661597 and 132661606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132661657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66330818 + 66330819.

It is an arithmetic number, because the mean of its divisors is an integer number (66330819).

Almost surely, 2^132661637 is an apocalyptic number.

It is an amenable number.

132661637 is a deficient number, since it is larger than the sum of its proper divisors (1).

132661637 is an equidigital number, since it uses as much as digits as its factorization.

132661637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 132661637 is about 11517.8833558949. The cubic root of 132661637 is about 510.0136315721.

The spelling of 132661637 in words is "one hundred thirty-two million, six hundred sixty-one thousand, six hundred thirty-seven".