140220942 has 16 divisors (see below), whose sum is σ = 280698960. Its totient is φ = 46697472.

The previous prime is 140220937. The next prime is 140220961. The reversal of 140220942 is 249022041.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (17543685).

Almost surely, 2^140220942 is an apocalyptic number.

140220942 is an abundant number, since it is smaller than the sum of its proper divisors (140478018).

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

140220942 is a wasteful number, since it uses less digits than its factorization.

140220942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21427.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140220942 is about 11841.4923890530. The cubic root of 140220942 is about 519.5224190070.

Adding to 140220942 its reverse (249022041), we get a palindrome (389242983).

The spelling of 140220942 in words is "one hundred forty million, two hundred twenty thousand, nine hundred forty-two".