130438139 has 4 divisors (see below), whose sum is σ = 140471856. Its totient is φ = 120404424.

The previous prime is 130438123. The next prime is 130438151. The reversal of 130438139 is 931834031.

It is a happy number.

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 130438139 - 2⁴ = 130438123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130438109) 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, 5016839 + ... + 5016864.

It is an arithmetic number, because the mean of its divisors is an integer number (35117964).

Almost surely, 2^130438139 is an apocalyptic number.

130438139 is a deficient number, since it is larger than the sum of its proper divisors (10033717).

130438139 is a wasteful number, since it uses less digits than its factorization.

130438139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033716.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 130438139 is about 11420.9517554361. The cubic root of 130438139 is about 507.1481722722.

The spelling of 130438139 in words is "one hundred thirty million, four hundred thirty-eight thousand, one hundred thirty-nine".