8002154140 has 24 divisors (see below), whose sum is σ = 16810955280. Its totient is φ = 3199636608.

The previous prime is 8002154123. The next prime is 8002154143. The reversal of 8002154140 is 414512008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8002154143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22057 + ... + 128416.

It is an arithmetic number, because the mean of its divisors is an integer number (700456470).

Almost surely, 2^8002154140 is an apocalyptic number.

It is an amenable number.

8002154140 is an abundant number, since it is smaller than the sum of its proper divisors (8808801140).

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

8002154140 is a wasteful number, since it uses less digits than its factorization.

8002154140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153141 (or 153139 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 8002154140 is about 89454.7602981529. The cubic root of 8002154140 is about 2000.1794955569.

Adding to 8002154140 its reverse (414512008), we get a palindrome (8416666148).

The spelling of 8002154140 in words is "eight billion, two million, one hundred fifty-four thousand, one hundred forty".