9139923530 has 16 divisors (see below), whose sum is σ = 16636716360. Its totient is φ = 3614890752.

The previous prime is 9139923509. The next prime is 9139923553. The reversal of 9139923530 is 353299319.

It can be written as a sum of positive squares in 4 ways, for example, as 8148492361 + 991431169 = 90269^2 + 31487^2 .

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 7 ways as a sum of consecutive naturals, for example, 5133899 + ... + 5135678.

Almost surely, 2^9139923530 is an apocalyptic number.

9139923530 is a deficient number, since it is larger than the sum of its proper divisors (7496792830).

9139923530 is a wasteful number, since it uses less digits than its factorization.

9139923530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269673.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 9139923530 is about 95602.9472872045. The cubic root of 9139923530 is about 2090.8081648272.

The spelling of 9139923530 in words is "nine billion, one hundred thirty-nine million, nine hundred twenty-three thousand, five hundred thirty".