132693997 has 2 divisors, whose sum is σ = 132693998. Its totient is φ = 132693996.

The previous prime is 132693989. The next prime is 132694007. The reversal of 132693997 is 799396231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132572196 + 121801 = 11514^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 132693997 - 2³ = 132693989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132693997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132694997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66346998 + 66346999.

It is an arithmetic number, because the mean of its divisors is an integer number (66346999).

Almost surely, 2^132693997 is an apocalyptic number.

It is an amenable number.

132693997 is a deficient number, since it is larger than the sum of its proper divisors (1).

132693997 is an equidigital number, since it uses as much as digits as its factorization.

132693997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 49.

The square root of 132693997 is about 11519.2880422359. The cubic root of 132693997 is about 510.0550972129.

The spelling of 132693997 in words is "one hundred thirty-two million, six hundred ninety-three thousand, nine hundred ninety-seven".