9920912135 has 16 divisors (see below), whose sum is σ = 12027543552. Its totient is φ = 7855236000.

The previous prime is 9920912123. The next prime is 9920912137. The reversal of 9920912135 is 5312190299.

9920912135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9920912135 - 2⁸ = 9920911879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9920912092 and 9920912101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920912137) 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 15 ways as a sum of consecutive naturals, for example, 607730 + ... + 623840.

It is an arithmetic number, because the mean of its divisors is an integer number (751721472).

Almost surely, 2^9920912135 is an apocalyptic number.

9920912135 is a deficient number, since it is larger than the sum of its proper divisors (2106631417).

9920912135 is a wasteful number, since it uses less digits than its factorization.

9920912135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17374.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 9920912135 is about 99603.7757065464. The cubic root of 9920912135 is about 2148.7399961722.

The spelling of 9920912135 in words is "nine billion, nine hundred twenty million, nine hundred twelve thousand, one hundred thirty-five".