132531197437 has 2 divisors, whose sum is σ = 132531197438. Its totient is φ = 132531197436.

The previous prime is 132531197423. The next prime is 132531197501. The reversal of 132531197437 is 734791135231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131503417956 + 1027779481 = 362634^2 + 32059^2 .

It is an emirp because it is prime and its reverse (734791135231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132531197437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132531197237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66265598718 + 66265598719.

It is an arithmetic number, because the mean of its divisors is an integer number (66265598719).

Almost surely, 2^132531197437 is an apocalyptic number.

It is an amenable number.

132531197437 is a deficient number, since it is larger than the sum of its proper divisors (1).

132531197437 is an equidigital number, since it uses as much as digits as its factorization.

132531197437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The spelling of 132531197437 in words is "one hundred thirty-two billion, five hundred thirty-one million, one hundred ninety-seven thousand, four hundred thirty-seven".