8140965 has 32 divisors (see below), whose sum is σ = 15538176. Its totient is φ = 3558720.

The previous prime is 8140963. The next prime is 8140981. The reversal of 8140965 is 5690418.

8140965 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8140965 - 2¹ = 8140963 is a prime.

It is a super-2 number, since 2×8140965² = 132550622262450, which contains 22 as substring.

8140965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730 + ... + 4100.

It is an arithmetic number, because the mean of its divisors is an integer number (485568).

Almost surely, 2^8140965 is an apocalyptic number.

It is an amenable number.

8140965 is a deficient number, since it is larger than the sum of its proper divisors (7397211).

8140965 is a wasteful number, since it uses less digits than its factorization.

8140965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 8140965 is about 2853.2376346880. The cubic root of 8140965 is about 201.1678753945.

The spelling of 8140965 in words is "eight million, one hundred forty thousand, nine hundred sixty-five".