130402401 has 4 divisors (see below), whose sum is σ = 173869872. Its totient is φ = 86934932.

The previous prime is 130402381. The next prime is 130402409. The reversal of 130402401 is 104204031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104204031 = 3 ⋅34734677.

It is a cyclic number.

It is not a de Polignac number, because 130402401 - 2⁵ = 130402369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130402409) 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 in 3 ways as a sum of consecutive naturals, for example, 21733731 + ... + 21733736.

It is an arithmetic number, because the mean of its divisors is an integer number (43467468).

Almost surely, 2^130402401 is an apocalyptic number.

It is an amenable number.

130402401 is a deficient number, since it is larger than the sum of its proper divisors (43467471).

130402401 is an equidigital number, since it uses as much as digits as its factorization.

130402401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43467470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130402401 is about 11419.3870676144. The cubic root of 130402401 is about 507.1018511654.

Adding to 130402401 its reverse (104204031), we get a palindrome (234606432).

The spelling of 130402401 in words is "one hundred thirty million, four hundred two thousand, four hundred one".