140157842 has 8 divisors (see below), whose sum is σ = 229349232. Its totient is φ = 63708100.

The previous prime is 140157839. The next prime is 140157869. The reversal of 140157842 is 248751041.

It is a happy number.

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 = 140157799 and 140157808.

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, 3185384 + ... + 3185427.

It is an arithmetic number, because the mean of its divisors is an integer number (28668654).

Almost surely, 2^140157842 is an apocalyptic number.

140157842 is a deficient number, since it is larger than the sum of its proper divisors (89191390).

140157842 is a wasteful number, since it uses less digits than its factorization.

140157842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370824.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 140157842 is about 11838.8277291293. The cubic root of 140157842 is about 519.4444782403. Note that the first 4 decimals are identical.

The spelling of 140157842 in words is "one hundred forty million, one hundred fifty-seven thousand, eight hundred forty-two".