248138934 has 8 divisors (see below), whose sum is σ = 496277880. Its totient is φ = 82712976.

The previous prime is 248138893. The next prime is 248138941. The reversal of 248138934 is 439831842.

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

248138934 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20678239 + ... + 20678250.

It is an arithmetic number, because the mean of its divisors is an integer number (62034735).

Almost surely, 2^248138934 is an apocalyptic number.

248138934 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.

248138934 is a wasteful number, since it uses less digits than its factorization.

248138934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41356494.

The product of its digits is 165888, while the sum is 42.

The square root of 248138934 is about 15752.4262893054. The cubic root of 248138934 is about 628.3934323878.

The spelling of 248138934 in words is "two hundred forty-eight million, one hundred thirty-eight thousand, nine hundred thirty-four".