8734138 has 8 divisors (see below), whose sum is σ = 14972832. Its totient is φ = 3743196.

The previous prime is 8734093. The next prime is 8734147. The reversal of 8734138 is 8314378.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311920 + ... + 311947.

It is an arithmetic number, because the mean of its divisors is an integer number (1871604).

Almost surely, 2^8734138 is an apocalyptic number.

8734138 is a deficient number, since it is larger than the sum of its proper divisors (6238694).

8734138 is a wasteful number, since it uses less digits than its factorization.

8734138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623876.

The product of its digits is 16128, while the sum is 34.

The square root of 8734138 is about 2955.3575079844. The cubic root of 8734138 is about 205.9396719061.

It can be divided in two parts, 87 and 34138, that added together give a square (34225 = 185²).

The spelling of 8734138 in words is "eight million, seven hundred thirty-four thousand, one hundred thirty-eight".