1538486005 has 8 divisors (see below), whose sum is σ = 2109923712. Its totient is φ = 1054961808.

The previous prime is 1538486003. The next prime is 1538486017. The reversal of 1538486005 is 5006848351.

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 1538486005 - 2¹ = 1538486003 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 (1538486003) 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, 21978337 + ... + 21978406.

It is an arithmetic number, because the mean of its divisors is an integer number (263740464).

Almost surely, 2^1538486005 is an apocalyptic number.

It is an amenable number.

1538486005 is a deficient number, since it is larger than the sum of its proper divisors (571437707).

1538486005 is an equidigital number, since it uses as much as digits as its factorization.

1538486005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43956755.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1538486005 is about 39223.5389147894. The cubic root of 1538486005 is about 1154.4217928856.

The spelling of 1538486005 in words is "one billion, five hundred thirty-eight million, four hundred eighty-six thousand, five".