130832121993 has 4 divisors (see below), whose sum is σ = 174442829328. Its totient is φ = 87221414660.

The previous prime is 130832121947. The next prime is 130832121997. The reversal of 130832121993 is 399121238031.

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 not a de Polignac number, because 130832121993 - 2⁶ = 130832121929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130832121997) 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, 21805353663 + ... + 21805353668.

It is an arithmetic number, because the mean of its divisors is an integer number (43610707332).

Almost surely, 2^130832121993 is an apocalyptic number.

It is an amenable number.

130832121993 is a deficient number, since it is larger than the sum of its proper divisors (43610707335).

130832121993 is an equidigital number, since it uses as much as digits as its factorization.

130832121993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43610707334.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 130832121993 in words is "one hundred thirty billion, eight hundred thirty-two million, one hundred twenty-one thousand, nine hundred ninety-three".