140071042 has 8 divisors (see below), whose sum is σ = 212187132. Its totient is φ = 69342000.

The previous prime is 140071037. The next prime is 140071079. The reversal of 140071042 is 240170041.

It can be written as a sum of positive squares in 2 ways, for example, as 123676641 + 16394401 = 11121^2 + 4049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346509 + ... + 346912.

Almost surely, 2^140071042 is an apocalyptic number.

140071042 is a deficient number, since it is larger than the sum of its proper divisors (72116090).

140071042 is a wasteful number, since it uses less digits than its factorization.

140071042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693524.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 140071042 is about 11835.1612578790. The cubic root of 140071042 is about 519.3372251345.

The spelling of 140071042 in words is "one hundred forty million, seventy-one thousand, forty-two".