130406387 has 4 divisors (see below), whose sum is σ = 130800696. Its totient is φ = 130012080.

The previous prime is 130406383. The next prime is 130406411. The reversal of 130406387 is 783604031.

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

It is a cyclic number.

It is not a de Polignac number, because 130406387 - 2² = 130406383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130406383) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 196658 + ... + 197319.

It is an arithmetic number, because the mean of its divisors is an integer number (32700174).

Almost surely, 2^130406387 is an apocalyptic number.

130406387 is a deficient number, since it is larger than the sum of its proper divisors (394309).

130406387 is an equidigital number, since it uses as much as digits as its factorization.

130406387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394308.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 130406387 is about 11419.5615940368. The cubic root of 130406387 is about 507.1070179603.

The spelling of 130406387 in words is "one hundred thirty million, four hundred six thousand, three hundred eighty-seven".