140435142 has 16 divisors (see below), whose sum is σ = 282132480. Its totient is φ = 46601352.

The previous prime is 140435117. The next prime is 140435153. The reversal of 140435142 is 241534041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51142 + ... + 53817.

It is an arithmetic number, because the mean of its divisors is an integer number (17633280).

Almost surely, 2^140435142 is an apocalyptic number.

140435142 is an abundant number, since it is smaller than the sum of its proper divisors (141697338).

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

140435142 is a wasteful number, since it uses less digits than its factorization.

140435142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105187.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140435142 is about 11850.5334057164. The cubic root of 140435142 is about 519.7868233686.

Adding to 140435142 its reverse (241534041), we get a palindrome (381969183).

The spelling of 140435142 in words is "one hundred forty million, four hundred thirty-five thousand, one hundred forty-two".