8140356 has 36 divisors (see below), whose sum is σ = 23517312. Its totient is φ = 2325744.

The previous prime is 8140351. The next prime is 8140361. The reversal of 8140356 is 6530418.

It is an interprime number because it is at equal distance from previous prime (8140351) and next prime (8140361).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8140351) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15900 + ... + 16403.

Almost surely, 2^8140356 is an apocalyptic number.

It is an amenable number.

8140356 is an abundant number, since it is smaller than the sum of its proper divisors (15376956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8140356 is a wasteful number, since it uses less digits than its factorization.

8140356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32320 (or 32315 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8140356 is about 2853.1309118230. The cubic root of 8140356 is about 201.1628590239.

The spelling of 8140356 in words is "eight million, one hundred forty thousand, three hundred fifty-six".