130130523440 has 20 divisors (see below), whose sum is σ = 302553467184. Its totient is φ = 52052209344.

The previous prime is 130130523433. The next prime is 130130523581. The reversal of 130130523440 is 44325031031.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813315692 + ... + 813315851.

Almost surely, 2^130130523440 is an apocalyptic number.

130130523440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130130523440 is an abundant number, since it is smaller than the sum of its proper divisors (172422943744).

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

130130523440 is a wasteful number, since it uses less digits than its factorization.

130130523440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626631556 (or 1626631550 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 130130523440 its reverse (44325031031), we get a palindrome (174455554471).

The spelling of 130130523440 in words is "one hundred thirty billion, one hundred thirty million, five hundred twenty-three thousand, four hundred forty".