130400321025 has 96 divisors (see below), whose sum is σ = 245344296960. Its totient is φ = 60627790080.

The previous prime is 130400321021. The next prime is 130400321053. The reversal of 130400321025 is 520123004031.

It is not a de Polignac number, because 130400321025 - 2² = 130400321021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130400320992 and 130400321010.

It is not an unprimeable number, because it can be changed into a prime (130400321021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1734772 + ... + 1808378.

It is an arithmetic number, because the mean of its divisors is an integer number (2555669760).

Almost surely, 2^130400321025 is an apocalyptic number.

130400321025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130400321025 is a deficient number, since it is larger than the sum of its proper divisors (114943975935).

130400321025 is a wasteful number, since it uses less digits than its factorization.

130400321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73735 (or 73730 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 130400321025 its reverse (520123004031), we get a palindrome (650523325056).

The spelling of 130400321025 in words is "one hundred thirty billion, four hundred million, three hundred twenty-one thousand, twenty-five".