8740138 has 24 divisors (see below), whose sum is σ = 14970816. Its totient is φ = 3795000.

The previous prime is 8740129. The next prime is 8740139. The reversal of 8740138 is 8310478.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8740139) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11263 + ... + 12013.

It is an arithmetic number, because the mean of its divisors is an integer number (623784).

Almost surely, 2^8740138 is an apocalyptic number.

8740138 is a deficient number, since it is larger than the sum of its proper divisors (6230678).

8740138 is a wasteful number, since it uses less digits than its factorization.

8740138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 8740138 is about 2956.3724393249. The cubic root of 8740138 is about 205.9868185238.

The spelling of 8740138 in words is "eight million, seven hundred forty thousand, one hundred thirty-eight".