142340600261 has 2 divisors, whose sum is σ = 142340600262. Its totient is φ = 142340600260.

The previous prime is 142340600251. The next prime is 142340600377. The reversal of 142340600261 is 162006043241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88279700161 + 54060900100 = 297119^2 + 232510^2 .

It is a cyclic number.

It is not a de Polignac number, because 142340600261 - 2⁶ = 142340600197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142340600251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71170300130 + 71170300131.

It is an arithmetic number, because the mean of its divisors is an integer number (71170300131).

Almost surely, 2^142340600261 is an apocalyptic number.

It is an amenable number.

142340600261 is a deficient number, since it is larger than the sum of its proper divisors (1).

142340600261 is an equidigital number, since it uses as much as digits as its factorization.

142340600261 is an evil number, because the sum of its binary digits is even.

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

The spelling of 142340600261 in words is "one hundred forty-two billion, three hundred forty million, six hundred thousand, two hundred sixty-one".