919124138 has 8 divisors (see below), whose sum is σ = 1378992288. Its totient is φ = 459460044.

The previous prime is 919124123. The next prime is 919124147. The reversal of 919124138 is 831421919.

919124138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 39206 + ... + 58097.

It is an arithmetic number, because the mean of its divisors is an integer number (172374036).

Almost surely, 2^919124138 is an apocalyptic number.

919124138 is a deficient number, since it is larger than the sum of its proper divisors (459868150).

919124138 is a wasteful number, since it uses less digits than its factorization.

919124138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102028.

The product of its digits is 15552, while the sum is 38.

The square root of 919124138 is about 30317.0601806969. The cubic root of 919124138 is about 972.2800856153.

The spelling of 919124138 in words is "nine hundred nineteen million, one hundred twenty-four thousand, one hundred thirty-eight".