140469904 has 15 divisors (see below), whose sum is σ = 272252323. Its totient is φ = 70211248.

The previous prime is 140469883. The next prime is 140469911. The reversal of 140469904 is 409964041.

The square root of 140469904 is 11852.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 45927 + ... + 48889.

Almost surely, 2^140469904 is an apocalyptic number.

140469904 is the 11852-nd square number.

It is an amenable number.

140469904 is a deficient number, since it is larger than the sum of its proper divisors (131782419).

140469904 is an frugal number, since it uses more digits than its factorization.

140469904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The cubic root of 140469904 is about 519.8297075514.

The spelling of 140469904 in words is "one hundred forty million, four hundred sixty-nine thousand, nine hundred four".