132531193387 has 2 divisors, whose sum is σ = 132531193388. Its totient is φ = 132531193386.

The previous prime is 132531193357. The next prime is 132531193391. The reversal of 132531193387 is 783391135231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132531193387 - 2¹⁹ = 132530669099 is a prime.

It is not a weakly prime, because it can be changed into another prime (132531193307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66265596693 + 66265596694.

It is an arithmetic number, because the mean of its divisors is an integer number (66265596694).

Almost surely, 2^132531193387 is an apocalyptic number.

132531193387 is a deficient number, since it is larger than the sum of its proper divisors (1).

132531193387 is an equidigital number, since it uses as much as digits as its factorization.

132531193387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The spelling of 132531193387 in words is "one hundred thirty-two billion, five hundred thirty-one million, one hundred ninety-three thousand, three hundred eighty-seven".