140438208 has 56 divisors (see below), whose sum is σ = 374922288. Its totient is φ = 46391296.

The previous prime is 140438201. The next prime is 140438219. The reversal of 140438208 is 802834041.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140438201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18460 + ... + 24932.

Almost surely, 2^140438208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140438208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187461144).

140438208 is an abundant number, since it is smaller than the sum of its proper divisors (234484080).

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

140438208 is a wasteful number, since it uses less digits than its factorization.

140438208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601 (or 6591 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 140438208 is about 11850.6627662760. The cubic root of 140438208 is about 519.7906060277.

The spelling of 140438208 in words is "one hundred forty million, four hundred thirty-eight thousand, two hundred eight".