140774142 has 16 divisors (see below), whose sum is σ = 284941440. Its totient is φ = 46359192.

The previous prime is 140774111. The next prime is 140774143. The reversal of 140774142 is 241477041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140774143) by changing a digit.

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, 140842 + ... + 141837.

It is an arithmetic number, because the mean of its divisors is an integer number (17808840).

Almost surely, 2^140774142 is an apocalyptic number.

140774142 is an abundant number, since it is smaller than the sum of its proper divisors (144167298).

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

140774142 is a wasteful number, since it uses less digits than its factorization.

140774142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282767.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 140774142 is about 11864.8279380697. The cubic root of 140774142 is about 520.2047295430.

The spelling of 140774142 in words is "one hundred forty million, seven hundred seventy-four thousand, one hundred forty-two".