140679142 has 4 divisors (see below), whose sum is σ = 211018716. Its totient is φ = 70339570.

The previous prime is 140679139. The next prime is 140679167. The reversal of 140679142 is 241976041.

140679142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241976041 = 37 ⋅6539893.

It is a junction number, because it is equal to n+sod(n) for n = 140679098 and 140679107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35169784 + ... + 35169787.

It is an arithmetic number, because the mean of its divisors is an integer number (52754679).

Almost surely, 2^140679142 is an apocalyptic number.

140679142 is a deficient number, since it is larger than the sum of its proper divisors (70339574).

140679142 is an equidigital number, since it uses as much as digits as its factorization.

140679142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70339573.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 140679142 is about 11860.8238331070. The cubic root of 140679142 is about 520.0876849175.

The spelling of 140679142 in words is "one hundred forty million, six hundred seventy-nine thousand, one hundred forty-two".