130404434520 has 32 divisors (see below), whose sum is σ = 391213303920. Its totient is φ = 34774515840.

The previous prime is 130404434519. The next prime is 130404434561. The reversal of 130404434520 is 25434404031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543351691 + ... + 543351930.

Almost surely, 2^130404434520 is an apocalyptic number.

130404434520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130404434520 is an abundant number, since it is smaller than the sum of its proper divisors (260808869400).

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

130404434520 is a wasteful number, since it uses less digits than its factorization.

130404434520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086703635 (or 1086703631 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 130404434520 its reverse (25434404031), we get a palindrome (155838838551).

The spelling of 130404434520 in words is "one hundred thirty billion, four hundred four million, four hundred thirty-four thousand, five hundred twenty".