140243075 has 24 divisors (see below), whose sum is σ = 207391488. Its totient is φ = 91982880.

The previous prime is 140243069. The next prime is 140243111. The reversal of 140243075 is 570342041.

It is not a de Polignac number, because 140243075 - 2⁶ = 140243011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13397 + ... + 21446.

It is an arithmetic number, because the mean of its divisors is an integer number (8641312).

Almost surely, 2^140243075 is an apocalyptic number.

140243075 is a deficient number, since it is larger than the sum of its proper divisors (67148413).

140243075 is a wasteful number, since it uses less digits than its factorization.

140243075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34883 (or 34878 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 140243075 is about 11842.4269049887. The cubic root of 140243075 is about 519.5497520254.

The spelling of 140243075 in words is "one hundred forty million, two hundred forty-three thousand, seventy-five".