140744164 has 12 divisors (see below), whose sum is σ = 268693488. Its totient is φ = 63974600.

The previous prime is 140744161. The next prime is 140744209. The reversal of 140744164 is 461447041.

It is not an unprimeable number, because it can be changed into a prime (140744161) 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 3 ways as a sum of consecutive naturals, for example, 1599322 + ... + 1599409.

It is an arithmetic number, because the mean of its divisors is an integer number (22391124).

Almost surely, 2^140744164 is an apocalyptic number.

It is an amenable number.

140744164 is a deficient number, since it is larger than the sum of its proper divisors (127949324).

140744164 is a wasteful number, since it uses less digits than its factorization.

140744164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198746 (or 3198744 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 140744164 is about 11863.5645570798. The cubic root of 140744164 is about 520.1678008754.

The spelling of 140744164 in words is "one hundred forty million, seven hundred forty-four thousand, one hundred sixty-four".