132728299381 has 2 divisors, whose sum is σ = 132728299382. Its totient is φ = 132728299380.

The previous prime is 132728299349. The next prime is 132728299409. The reversal of 132728299381 is 183992827231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117518010481 + 15210288900 = 342809^2 + 123330^2 .

It is a cyclic number.

It is not a de Polignac number, because 132728299381 - 2⁵ = 132728299349 is a prime.

It is a super-2 number, since 2×132728299381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132728099381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66364149690 + 66364149691.

It is an arithmetic number, because the mean of its divisors is an integer number (66364149691).

Almost surely, 2^132728299381 is an apocalyptic number.

It is an amenable number.

132728299381 is a deficient number, since it is larger than the sum of its proper divisors (1).

132728299381 is an equidigital number, since it uses as much as digits as its factorization.

132728299381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The spelling of 132728299381 in words is "one hundred thirty-two billion, seven hundred twenty-eight million, two hundred ninety-nine thousand, three hundred eighty-one".