130247132640 has 96 divisors (see below), whose sum is σ = 410328356256. Its totient is φ = 34728345600.

The previous prime is 130247132633. The next prime is 130247132641. The reversal of 130247132640 is 46231742031.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×130247132640³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130247132641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479784 + ... + 7497176.

It is an arithmetic number, because the mean of its divisors is an integer number (4274253711).

Almost surely, 2^130247132640 is an apocalyptic number.

130247132640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130247132640 is an abundant number, since it is smaller than the sum of its proper divisors (280081223616).

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

130247132640 is a wasteful number, since it uses less digits than its factorization.

130247132640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33012 (or 33004 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 130247132640 its reverse (46231742031), we get a palindrome (176478874671).

The spelling of 130247132640 in words is "one hundred thirty billion, two hundred forty-seven million, one hundred thirty-two thousand, six hundred forty".