140661042 has 8 divisors (see below), whose sum is σ = 281322096. Its totient is φ = 46887012.

The previous prime is 140661019. The next prime is 140661071. The reversal of 140661042 is 240166041.

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

140661042 is an admirable 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, 11721748 + ... + 11721759.

It is an arithmetic number, because the mean of its divisors is an integer number (35165262).

Almost surely, 2^140661042 is an apocalyptic number.

140661042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140661042 is a wasteful number, since it uses less digits than its factorization.

140661042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23443512.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140661042 is about 11860.0607924243. The cubic root of 140661042 is about 520.0653788605.

The spelling of 140661042 in words is "one hundred forty million, six hundred sixty-one thousand, forty-two".