9906140229 has 8 divisors (see below), whose sum is σ = 13344354240. Its totient is φ = 6536009856.

The previous prime is 9906140197. The next prime is 9906140239. The reversal of 9906140229 is 9220416099.

9906140229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9906140229 - 2⁵ = 9906140197 is a prime.

It is a super-2 number, since 2×9906140229² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906140239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17020569 + ... + 17021150.

It is an arithmetic number, because the mean of its divisors is an integer number (1668044280).

Almost surely, 2^9906140229 is an apocalyptic number.

It is an amenable number.

9906140229 is a deficient number, since it is larger than the sum of its proper divisors (3438214011).

9906140229 is a wasteful number, since it uses less digits than its factorization.

9906140229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34041819.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 9906140229 is about 99529.5947394543. The cubic root of 9906140229 is about 2147.6729991190.

The spelling of 9906140229 in words is "nine billion, nine hundred six million, one hundred forty thousand, two hundred twenty-nine".