140352144 has 40 divisors (see below), whose sum is σ = 364768320. Its totient is φ = 46501248.

The previous prime is 140352139. The next prime is 140352151. The reversal of 140352144 is 441253041.

140352144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 739 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (9119208).

Almost surely, 2^140352144 is an apocalyptic number.

It is an amenable number.

140352144 is an abundant number, since it is smaller than the sum of its proper divisors (224416176).

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

140352144 is a wasteful number, since it uses less digits than its factorization.

140352144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17687 (or 17681 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140352144 is about 11847.0310204709. The cubic root of 140352144 is about 519.6844041596.

The spelling of 140352144 in words is "one hundred forty million, three hundred fifty-two thousand, one hundred forty-four".