140682742 has 8 divisors (see below), whose sum is σ = 211102632. Its totient is φ = 70315200.

The previous prime is 140682721. The next prime is 140682761. The reversal of 140682742 is 247286041.

It is a happy number.

140682742 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140682698 and 140682707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5484 + ... + 17647.

It is an arithmetic number, because the mean of its divisors is an integer number (26387829).

Almost surely, 2^140682742 is an apocalyptic number.

140682742 is a deficient number, since it is larger than the sum of its proper divisors (70419890).

140682742 is a wasteful number, since it uses less digits than its factorization.

140682742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26174.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 140682742 is about 11860.9755922521. The cubic root of 140682742 is about 520.0921212531.

It can be divided in two parts, 1406 and 82742, that added together give a palindrome (84148).

The spelling of 140682742 in words is "one hundred forty million, six hundred eighty-two thousand, seven hundred forty-two".