132019281389 has 4 divisors (see below), whose sum is σ = 138967664640. Its totient is φ = 125070898140.

The previous prime is 132019281371. The next prime is 132019281397. The reversal of 132019281389 is 983182910231.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 983182910231 = 1657 ⋅593351183.

It is a cyclic number.

It is not a de Polignac number, because 132019281389 - 2³⁶ = 63299804653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132019281349) 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, 3474191597 + ... + 3474191634.

It is an arithmetic number, because the mean of its divisors is an integer number (34741916160).

Almost surely, 2^132019281389 is an apocalyptic number.

132019281389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

132019281389 is a deficient number, since it is larger than the sum of its proper divisors (6948383251).

132019281389 is an equidigital number, since it uses as much as digits as its factorization.

132019281389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948383250.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 132019281389 in words is "one hundred thirty-two billion, nineteen million, two hundred eighty-one thousand, three hundred eighty-nine".