132728299393 has 4 divisors (see below), whose sum is σ = 132942723760. Its totient is φ = 132513875028.

The previous prime is 132728299381. The next prime is 132728299409. The reversal of 132728299393 is 393992827231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132728299393 is a prime.

It is a super-3 number, since 3×132728299393³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132728299793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107211255 + ... + 107212492.

It is an arithmetic number, because the mean of its divisors is an integer number (33235680940).

Almost surely, 2^132728299393 is an apocalyptic number.

It is an amenable number.

132728299393 is a deficient number, since it is larger than the sum of its proper divisors (214424367).

132728299393 is an equidigital number, since it uses as much as digits as its factorization.

132728299393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214424366.

The product of its digits is 8817984, while the sum is 58.

The spelling of 132728299393 in words is "one hundred thirty-two billion, seven hundred twenty-eight million, two hundred ninety-nine thousand, three hundred ninety-three".