140307144 has 16 divisors (see below), whose sum is σ = 350767920. Its totient is φ = 46769040.

The previous prime is 140307131. The next prime is 140307149. The reversal of 140307144 is 441703041.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5846131 = 140307144 / (1 + 4 + 0 + 3 + 0 + 7 + 1 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (140307149) 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, 2923042 + ... + 2923089.

It is an arithmetic number, because the mean of its divisors is an integer number (21922995).

Almost surely, 2^140307144 is an apocalyptic number.

It is an amenable number.

140307144 is an abundant number, since it is smaller than the sum of its proper divisors (210460776).

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

140307144 is a wasteful number, since it uses less digits than its factorization.

140307144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846140 (or 5846136 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 140307144 is about 11845.1316581961. The cubic root of 140307144 is about 519.6288574533.

The spelling of 140307144 in words is "one hundred forty million, three hundred seven thousand, one hundred forty-four".