2340142661 has 8 divisors (see below), whose sum is σ = 2372083200. Its totient is φ = 2308260240.

The previous prime is 2340142591. The next prime is 2340142681. The reversal of 2340142661 is 1662410432.

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

It is a cyclic number.

It is not a de Polignac number, because 2340142661 - 2²² = 2335948357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340142681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69860 + ... + 97778.

It is an arithmetic number, because the mean of its divisors is an integer number (296510400).

Almost surely, 2^2340142661 is an apocalyptic number.

It is an amenable number.

2340142661 is a deficient number, since it is larger than the sum of its proper divisors (31940539).

2340142661 is a wasteful number, since it uses less digits than its factorization.

2340142661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29059.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2340142661 is about 48375.0210439231. The cubic root of 2340142661 is about 1327.6413735991.

The spelling of 2340142661 in words is "two billion, three hundred forty million, one hundred forty-two thousand, six hundred sixty-one".