8154140 has 12 divisors (see below), whose sum is σ = 17123736. Its totient is φ = 3261648.

The previous prime is 8154131. The next prime is 8154163. The reversal of 8154140 is 414518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203834 + ... + 203873.

It is an arithmetic number, because the mean of its divisors is an integer number (1426978).

Almost surely, 2^8154140 is an apocalyptic number.

It is an amenable number.

8154140 is an abundant number, since it is smaller than the sum of its proper divisors (8969596).

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

8154140 is a wasteful number, since it uses less digits than its factorization.

8154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407716 (or 407714 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 8154140 is about 2855.5454820402. The cubic root of 8154140 is about 201.2763374864.

Adding to 8154140 its reverse (414518), we get a palindrome (8568658).

The spelling of 8154140 in words is "eight million, one hundred fifty-four thousand, one hundred forty".