8140064 has 12 divisors (see below), whose sum is σ = 16025814. Its totient is φ = 4070016.

The previous prime is 8140063. The next prime is 8140087. The reversal of 8140064 is 4600418.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4376464 + 3763600 = 2092^2 + 1940^2 .

It is not an unprimeable number, because it can be changed into a prime (8140061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127157 + ... + 127220.

Almost surely, 2^8140064 is an apocalyptic number.

It is an amenable number.

8140064 is a deficient number, since it is larger than the sum of its proper divisors (7885750).

8140064 is a wasteful number, since it uses less digits than its factorization.

8140064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254387 (or 254379 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8140064 is about 2853.0797395096. The cubic root of 8140064 is about 201.1604537132.

The spelling of 8140064 in words is "eight million, one hundred forty thousand, sixty-four".