130440002024021 has 8 divisors (see below), whose sum is σ = 136112945648064. Its totient is φ = 124767194999040.

The previous prime is 130440002023897. The next prime is 130440002024083. The reversal of 130440002024021 is 120420200044031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130440002024021 is a prime.

It is a super-2 number, since 2×130440002024021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440062024021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32196035 + ... + 36020336.

It is an arithmetic number, because the mean of its divisors is an integer number (17014118206008).

Almost surely, 2^{130440002024021} is an apocalyptic number.

It is an amenable number.

130440002024021 is a deficient number, since it is larger than the sum of its proper divisors (5672943624043).

130440002024021 is an equidigital number, since it uses as much as digits as its factorization.

130440002024021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68299531.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 130440002024021 its reverse (120420200044031), we get a palindrome (250860202068052).

The spelling of 130440002024021 in words is "one hundred thirty trillion, four hundred forty billion, two million, twenty-four thousand, twenty-one".