140394344 has 48 divisors (see below), whose sum is σ = 280423620. Its totient is φ = 65882880.

The previous prime is 140394283. The next prime is 140394389. The reversal of 140394344 is 443493041.

It can be written as a sum of positive squares in 2 ways, for example, as 125664100 + 14730244 = 11210^2 + 3838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140394344.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499484 + ... + 499764.

Almost surely, 2^140394344 is an apocalyptic number.

It is an amenable number.

140394344 is a deficient number, since it is larger than the sum of its proper divisors (140029276).

140394344 is a wasteful number, since it uses less digits than its factorization.

140394344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 140394344 is about 11848.8119235643. The cubic root of 140394344 is about 519.7364838396.

The spelling of 140394344 in words is "one hundred forty million, three hundred ninety-four thousand, three hundred forty-four".