140506742 has 8 divisors (see below), whose sum is σ = 210967632. Its totient is φ = 70184200.

The previous prime is 140506739. The next prime is 140506759. The reversal of 140506742 is 247605041.

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

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, 32009 + ... + 36132.

It is an arithmetic number, because the mean of its divisors is an integer number (26370954).

Almost surely, 2^140506742 is an apocalyptic number.

140506742 is a deficient number, since it is larger than the sum of its proper divisors (70460890).

140506742 is a wasteful number, since it uses less digits than its factorization.

140506742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69174.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140506742 is about 11853.5539818233. The cubic root of 140506742 is about 519.8751450733.

The spelling of 140506742 in words is "one hundred forty million, five hundred six thousand, seven hundred forty-two".