9090140 has 12 divisors (see below), whose sum is σ = 19089336. Its totient is φ = 3636048.

The previous prime is 9090139. The next prime is 9090173. The reversal of 9090140 is 410909.

It is a congruent number.

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, 227234 + ... + 227273.

It is an arithmetic number, because the mean of its divisors is an integer number (1590778).

Almost surely, 2^9090140 is an apocalyptic number.

It is an amenable number.

9090140 is an abundant number, since it is smaller than the sum of its proper divisors (9999196).

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

9090140 is a wasteful number, since it uses less digits than its factorization.

9090140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454516 (or 454514 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 9090140 is about 3014.9859037813. The cubic root of 9090140 is about 208.7005165558.

The spelling of 9090140 in words is "nine million, ninety thousand, one hundred forty".