130138487 has 8 divisors (see below), whose sum is σ = 132189456. Its totient is φ = 128094912.

The previous prime is 130138471. The next prime is 130138493. The reversal of 130138487 is 784831031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130138487 - 2⁴ = 130138471 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 (130138427) 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, 41333 + ... + 44369.

It is an arithmetic number, because the mean of its divisors is an integer number (16523682).

Almost surely, 2^130138487 is an apocalyptic number.

130138487 is a deficient number, since it is larger than the sum of its proper divisors (2050969).

130138487 is an equidigital number, since it uses as much as digits as its factorization.

130138487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 130138487 is about 11407.8256911648. The cubic root of 130138487 is about 506.7595219263.

The spelling of 130138487 in words is "one hundred thirty million, one hundred thirty-eight thousand, four hundred eighty-seven".