140940008 has 16 divisors (see below), whose sum is σ = 288286560. Its totient is φ = 64063600.

The previous prime is 140939969. The next prime is 140940011. The reversal of 140940008 is 800049041.

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, 800708 + ... + 800883.

It is an arithmetic number, because the mean of its divisors is an integer number (18017910).

Almost surely, 2^140940008 is an apocalyptic number.

It is an amenable number.

140940008 is an abundant number, since it is smaller than the sum of its proper divisors (147346552).

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

140940008 is a wasteful number, since it uses less digits than its factorization.

140940008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601608 (or 1601604 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140940008 is about 11871.8156993781. The cubic root of 140940008 is about 520.4089583658.

Adding to 140940008 its reverse (800049041), we get a palindrome (940989049).

The spelling of 140940008 in words is "one hundred forty million, nine hundred forty thousand, eight".