140042702 has 16 divisors (see below), whose sum is σ = 226070352. Its totient is φ = 64821120.

The previous prime is 140042687. The next prime is 140042713. The reversal of 140042702 is 207240041.

140042702 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140042702² = 39223916766921608, which contains 22 as substring.

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, 31688 + ... + 35835.

It is an arithmetic number, because the mean of its divisors is an integer number (14129397).

Almost surely, 2^140042702 is an apocalyptic number.

140042702 is a deficient number, since it is larger than the sum of its proper divisors (86027650).

140042702 is a wasteful number, since it uses less digits than its factorization.

140042702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67603.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 140042702 is about 11833.9639174708. The cubic root of 140042702 is about 519.3021976478.

Adding to 140042702 its reverse (207240041), we get a palindrome (347282743).

The spelling of 140042702 in words is "one hundred forty million, forty-two thousand, seven hundred two".