8142356 has 12 divisors (see below), whose sum is σ = 14388192. Its totient is φ = 4031448.

The previous prime is 8142353. The next prime is 8142389. The reversal of 8142356 is 6532418.

It is a super-2 number, since 2×8142356² = 132595922461472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9470 + ... + 10293.

It is an arithmetic number, because the mean of its divisors is an integer number (1199016).

Almost surely, 2^8142356 is an apocalyptic number.

It is an amenable number.

8142356 is a deficient number, since it is larger than the sum of its proper divisors (6245836).

8142356 is a wasteful number, since it uses less digits than its factorization.

8142356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19870 (or 19868 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 8142356 is about 2853.4813824520. The cubic root of 8142356 is about 201.1793322090.

The spelling of 8142356 in words is "eight million, one hundred forty-two thousand, three hundred fifty-six".