140661141 has 8 divisors (see below), whose sum is σ = 187603584. Its totient is φ = 93746400.

The previous prime is 140661139. The next prime is 140661163. The reversal of 140661141 is 141166041.

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

It is not a de Polignac number, because 140661141 - 2¹ = 140661139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140660141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13716 + ... + 21666.

It is an arithmetic number, because the mean of its divisors is an integer number (23450448).

Almost surely, 2^140661141 is an apocalyptic number.

It is an amenable number.

140661141 is a deficient number, since it is larger than the sum of its proper divisors (46942443).

140661141 is an equidigital number, since it uses as much as digits as its factorization.

140661141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 140661141 is about 11860.0649660953. The cubic root of 140661141 is about 520.0655008712.

The spelling of 140661141 in words is "one hundred forty million, six hundred sixty-one thousand, one hundred forty-one".