140001142 has 8 divisors (see below), whose sum is σ = 215123832. Its totient is φ = 68293200.

The previous prime is 140001133. The next prime is 140001187. The reversal of 140001142 is 241100041.

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

It is a super-2 number, since 2×140001142² = 39200639522608328, which contains 22 as substring.

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, 853584 + ... + 853747.

It is an arithmetic number, because the mean of its divisors is an integer number (26890479).

Almost surely, 2^140001142 is an apocalyptic number.

140001142 is a deficient number, since it is larger than the sum of its proper divisors (75122690).

140001142 is a wasteful number, since it uses less digits than its factorization.

140001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707374.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140001142 is about 11832.2078244088. The cubic root of 140001142 is about 519.2508220451.

Adding to 140001142 its reverse (241100041), we get a palindrome (381101183).

The spelling of 140001142 in words is "one hundred forty million, one thousand, one hundred forty-two".