2340142591 has 2 divisors, whose sum is σ = 2340142592. Its totient is φ = 2340142590.

The previous prime is 2340142523. The next prime is 2340142681. The reversal of 2340142591 is 1952410432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2340142591 - 2²⁵ = 2306588159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340143591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170071295 + 1170071296.

It is an arithmetic number, because the mean of its divisors is an integer number (1170071296).

Almost surely, 2^2340142591 is an apocalyptic number.

2340142591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340142591 is an equidigital number, since it uses as much as digits as its factorization.

2340142591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2340142591 is about 48375.0203204092. The cubic root of 2340142591 is about 1327.6413603613.

The spelling of 2340142591 in words is "two billion, three hundred forty million, one hundred forty-two thousand, five hundred ninety-one".