130439406 has 16 divisors (see below), whose sum is σ = 263412864. Its totient is φ = 43057464.

The previous prime is 130439401. The next prime is 130439423. The reversal of 130439406 is 604934031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130439401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104916 + ... + 106151.

It is an arithmetic number, because the mean of its divisors is an integer number (16463304).

Almost surely, 2^130439406 is an apocalyptic number.

130439406 is an abundant number, since it is smaller than the sum of its proper divisors (132973458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130439406 is a wasteful number, since it uses less digits than its factorization.

130439406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211175.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 130439406 is about 11421.0072235333. The cubic root of 130439406 is about 507.1498143140.

The spelling of 130439406 in words is "one hundred thirty million, four hundred thirty-nine thousand, four hundred six".