140017142 has 16 divisors (see below), whose sum is σ = 218115072. Its totient is φ = 67339560.

The previous prime is 140017127. The next prime is 140017193. The reversal of 140017142 is 241710041.

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, 3593 + ... + 17115.

It is an arithmetic number, because the mean of its divisors is an integer number (13632192).

Almost surely, 2^140017142 is an apocalyptic number.

140017142 is a deficient number, since it is larger than the sum of its proper divisors (78097930).

140017142 is a wasteful number, since it uses less digits than its factorization.

140017142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13723.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 140017142 is about 11832.8839257385. The cubic root of 140017142 is about 519.2706021140.

Adding to 140017142 its reverse (241710041), we get a palindrome (381727183).

The spelling of 140017142 in words is "one hundred forty million, seventeen thousand, one hundred forty-two".