9135938870 has 16 divisors (see below), whose sum is σ = 16459755120. Its totient is φ = 3651027744.

The previous prime is 9135938869. The next prime is 9135938893. The reversal of 9135938870 is 788395319.

It is a happy number.

It is a congruent number.

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, 407000 + ... + 428859.

It is an arithmetic number, because the mean of its divisors is an integer number (1028734695).

Almost surely, 2^9135938870 is an apocalyptic number.

9135938870 is a deficient number, since it is larger than the sum of its proper divisors (7323816250).

9135938870 is a wasteful number, since it uses less digits than its factorization.

9135938870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836959.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 9135938870 is about 95582.1053858932. The cubic root of 9135938870 is about 2090.5042829760.

The spelling of 9135938870 in words is "nine billion, one hundred thirty-five million, nine hundred thirty-eight thousand, eight hundred seventy".