1538990058 has 8 divisors (see below), whose sum is σ = 3077980128. Its totient is φ = 512996684.

The previous prime is 1538990051. The next prime is 1538990077. The reversal of 1538990058 is 8500998351.

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

1538990058 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1538989989 and 1538990016.

It is not an unprimeable number, because it can be changed into a prime (1538990051) 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, 128249166 + ... + 128249177.

It is an arithmetic number, because the mean of its divisors is an integer number (384747516).

Almost surely, 2^1538990058 is an apocalyptic number.

1538990058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1538990058 is a wasteful number, since it uses less digits than its factorization.

1538990058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256498348.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 1538990058 is about 39229.9637777044. The cubic root of 1538990058 is about 1154.5478532310.

The spelling of 1538990058 in words is "one billion, five hundred thirty-eight million, nine hundred ninety thousand, fifty-eight".