9138680 has 32 divisors (see below), whose sum is σ = 21003840. Its totient is φ = 3576960.

The previous prime is 9138637. The next prime is 9138697. The reversal of 9138680 is 868319.

It is a self number, because there is not a number n which added to its sum of digits gives 9138680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (656370).

Almost surely, 2^9138680 is an apocalyptic number.

It is an amenable number.

9138680 is an abundant number, since it is smaller than the sum of its proper divisors (11865160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9138680 is a wasteful number, since it uses less digits than its factorization.

9138680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919 (or 4915 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 9138680 is about 3023.0249750870. The cubic root of 9138680 is about 209.0713339067.

The spelling of 9138680 in words is "nine million, one hundred thirty-eight thousand, six hundred eighty".