140408744 has 32 divisors (see below), whose sum is σ = 313960320. Its totient is φ = 57558336.

The previous prime is 140408707. The next prime is 140408789. The reversal of 140408744 is 447804041.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140408744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53219 + ... + 55794.

It is an arithmetic number, because the mean of its divisors is an integer number (9811260).

Almost surely, 2^140408744 is an apocalyptic number.

140408744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140408744 is an abundant number, since it is smaller than the sum of its proper divisors (173551576).

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

140408744 is a wasteful number, since it uses less digits than its factorization.

140408744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109049 (or 109045 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 140408744 is about 11849.4195638436. The cubic root of 140408744 is about 519.7542527167.

The spelling of 140408744 in words is "one hundred forty million, four hundred eight thousand, seven hundred forty-four".