130540449280 has 80 divisors (see below), whose sum is σ = 313774118064. Its totient is φ = 52085555200.

The previous prime is 130540449241. The next prime is 130540449289. The reversal of 130540449280 is 82944045031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130540449289) 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, 962979 + ... + 1090141.

Almost surely, 2^130540449280 is an apocalyptic number.

130540449280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130540449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156887059032).

130540449280 is an abundant number, since it is smaller than the sum of its proper divisors (183233668784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130540449280 is an equidigital number, since it uses as much as digits as its factorization.

130540449280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127587 (or 127571 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 130540449280 in words is "one hundred thirty billion, five hundred forty million, four hundred forty-nine thousand, two hundred eighty".