140008008 has 64 divisors (see below), whose sum is σ = 400901760. Its totient is φ = 39914496.

The previous prime is 140008007. The next prime is 140008031. The reversal of 140008008 is 800800041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (140008007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142816 + ... + 143792.

It is an arithmetic number, because the mean of its divisors is an integer number (6264090).

Almost surely, 2^140008008 is an apocalyptic number.

It is an amenable number.

140008008 is an abundant number, since it is smaller than the sum of its proper divisors (260893752).

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

140008008 is a wasteful number, since it uses less digits than its factorization.

140008008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 140008008 is about 11832.4979611238. The cubic root of 140008008 is about 519.2593103518.

Adding to 140008008 its reverse (800800041), we get a palindrome (940808049).

The spelling of 140008008 in words is "one hundred forty million, eight thousand, eight".