130400422 has 4 divisors (see below), whose sum is σ = 195600636. Its totient is φ = 65200210.

The previous prime is 130400383. The next prime is 130400423. The reversal of 130400422 is 224004031.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 130400396 and 130400405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130400423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32600104 + ... + 32600107.

It is an arithmetic number, because the mean of its divisors is an integer number (48900159).

Almost surely, 2^130400422 is an apocalyptic number.

130400422 is a deficient number, since it is larger than the sum of its proper divisors (65200214).

130400422 is an equidigital number, since it uses as much as digits as its factorization.

130400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65200213.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130400422 is about 11419.3004164003. The cubic root of 130400422 is about 507.0992858761.

Adding to 130400422 its reverse (224004031), we get a palindrome (354404453).

The spelling of 130400422 in words is "one hundred thirty million, four hundred thousand, four hundred twenty-two".