130921538807881 has 8 divisors (see below), whose sum is σ = 130949918668800. Its totient is φ = 130893162039360.

The previous prime is 130921538807879. The next prime is 130921538807893. The reversal of 130921538807881 is 188708835129031.

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

It is a cyclic number.

It is not a de Polignac number, because 130921538807881 - 2¹ = 130921538807879 is a prime.

It is a super-2 number, since 2×130921538807881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130921538807281) 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, 84935800 + ... + 86463478.

It is an arithmetic number, because the mean of its divisors is an integer number (16368739833600).

Almost surely, 2^{130921538807881} is an apocalyptic number.

It is an amenable number.

130921538807881 is a deficient number, since it is larger than the sum of its proper divisors (28379860919).

130921538807881 is an equidigital number, since it uses as much as digits as its factorization.

130921538807881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546199.

The product of its (nonzero) digits is 23224320, while the sum is 64.

The spelling of 130921538807881 in words is "one hundred thirty trillion, nine hundred twenty-one billion, five hundred thirty-eight million, eight hundred seven thousand, eight hundred eighty-one".