1338858158 has 8 divisors (see below), whose sum is σ = 2190858840. Its totient is φ = 608571880.

The previous prime is 1338858139. The next prime is 1338858187. The reversal of 1338858158 is 8518588331.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30428573 + ... + 30428616.

It is an arithmetic number, because the mean of its divisors is an integer number (273857355).

Almost surely, 2^1338858158 is an apocalyptic number.

1338858158 is a deficient number, since it is larger than the sum of its proper divisors (852000682).

1338858158 is a wasteful number, since it uses less digits than its factorization.

1338858158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60857202.

The product of its digits is 921600, while the sum is 50.

The square root of 1338858158 is about 36590.4107383342. The cubic root of 1338858158 is about 1102.1605354821.

The spelling of 1338858158 in words is "one billion, three hundred thirty-eight million, eight hundred fifty-eight thousand, one hundred fifty-eight".