9140138 has 16 divisors (see below), whose sum is σ = 15759744. Its totient is φ = 3894480.

The previous prime is 9140129. The next prime is 9140143. The reversal of 9140138 is 8310419.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (984984).

Almost surely, 2^9140138 is an apocalyptic number.

9140138 is a deficient number, since it is larger than the sum of its proper divisors (6619606).

9140138 is a wasteful number, since it uses less digits than its factorization.

9140138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 9140138 is about 3023.2661146515. The cubic root of 9140138 is about 209.0824518433.

The spelling of 9140138 in words is "nine million, one hundred forty thousand, one hundred thirty-eight".