140712042 has 16 divisors (see below), whose sum is σ = 281544480. Its totient is φ = 46883952.

The previous prime is 140712037. The next prime is 140712049. The reversal of 140712042 is 240217041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140712049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19093 + ... + 25415.

It is an arithmetic number, because the mean of its divisors is an integer number (17596530).

Almost surely, 2^140712042 is an apocalyptic number.

140712042 is an abundant number, since it is smaller than the sum of its proper divisors (140832438).

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

140712042 is a wasteful number, since it uses less digits than its factorization.

140712042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 140712042 is about 11862.2106708657. The cubic root of 140712042 is about 520.1282252821.

Adding to 140712042 its reverse (240217041), we get a palindrome (380929083).

The spelling of 140712042 in words is "one hundred forty million, seven hundred twelve thousand, forty-two".