130123440133 has 4 divisors (see below), whose sum is σ = 134610455340. Its totient is φ = 125636424928.

The previous prime is 130123440113. The next prime is 130123440149. The reversal of 130123440133 is 331044321031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81175417569 + 48948022564 = 284913^2 + 221242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130123440133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130123440098 and 130123440107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123440113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243507560 + ... + 2243507617.

It is an arithmetic number, because the mean of its divisors is an integer number (33652613835).

Almost surely, 2^130123440133 is an apocalyptic number.

It is an amenable number.

130123440133 is a deficient number, since it is larger than the sum of its proper divisors (4487015207).

130123440133 is an equidigital number, since it uses as much as digits as its factorization.

130123440133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487015206.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 130123440133 its reverse (331044321031), we get a palindrome (461167761164).

The spelling of 130123440133 in words is "one hundred thirty billion, one hundred twenty-three million, four hundred forty thousand, one hundred thirty-three".