130402407 has 4 divisors (see below), whose sum is σ = 173869880. Its totient is φ = 86934936.

The previous prime is 130402381. The next prime is 130402409. The reversal of 130402407 is 704204031.

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

It is not a de Polignac number, because 130402407 - 2⁶ = 130402343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21733732 + ... + 21733737.

It is an arithmetic number, because the mean of its divisors is an integer number (43467470).

Almost surely, 2^130402407 is an apocalyptic number.

130402407 is a deficient number, since it is larger than the sum of its proper divisors (43467473).

130402407 is an equidigital number, since it uses as much as digits as its factorization.

130402407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43467472.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 130402407 is about 11419.3873303256. The cubic root of 130402407 is about 507.1018589428.

Adding to 130402407 its reverse (704204031), we get a palindrome (834606438).

The spelling of 130402407 in words is "one hundred thirty million, four hundred two thousand, four hundred seven".