9942135 has 16 divisors (see below), whose sum is σ = 18180096. Its totient is φ = 4544928.

The previous prime is 9942133. The next prime is 9942143. The reversal of 9942135 is 5312499.

It is not a de Polignac number, because 9942135 - 2¹ = 9942133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9942096 and 9942105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47239 + ... + 47448.

It is an arithmetic number, because the mean of its divisors is an integer number (1136256).

Almost surely, 2^9942135 is an apocalyptic number.

9942135 is a deficient number, since it is larger than the sum of its proper divisors (8237961).

9942135 is a wasteful number, since it uses less digits than its factorization.

9942135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94702.

The product of its digits is 9720, while the sum is 33.

The square root of 9942135 is about 3153.1151263473. The cubic root of 9942135 is about 215.0271103366.

The spelling of 9942135 in words is "nine million, nine hundred forty-two thousand, one hundred thirty-five".