9990134 has 16 divisors (see below), whose sum is σ = 18683136. Its totient is φ = 3892200.

The previous prime is 9990133. The next prime is 9990137. The reversal of 9990134 is 4310999.

It is a junction number, because it is equal to n+sod(n) for n = 9990094 and 9990103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32282 + ... + 32589.

It is an arithmetic number, because the mean of its divisors is an integer number (1167696).

Almost surely, 2^9990134 is an apocalyptic number.

9990134 is a deficient number, since it is larger than the sum of its proper divisors (8693002).

9990134 is a wasteful number, since it uses less digits than its factorization.

9990134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64891.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9990134 is about 3160.7173236466. The cubic root of 9990134 is about 215.3725935140.

The spelling of 9990134 in words is "nine million, nine hundred ninety thousand, one hundred thirty-four".