142097594677 has 2 divisors, whose sum is σ = 142097594678. Its totient is φ = 142097594676.

The previous prime is 142097594671. The next prime is 142097594719. The reversal of 142097594677 is 776495790241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130209835716 + 11887758961 = 360846^2 + 109031^2 .

It is a cyclic number.

It is not a de Polignac number, because 142097594677 - 2¹¹ = 142097592629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142097594671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71048797338 + 71048797339.

It is an arithmetic number, because the mean of its divisors is an integer number (71048797339).

Almost surely, 2^142097594677 is an apocalyptic number.

It is an amenable number.

142097594677 is a deficient number, since it is larger than the sum of its proper divisors (1).

142097594677 is an equidigital number, since it uses as much as digits as its factorization.

142097594677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 142097594677 in words is "one hundred forty-two billion, ninety-seven million, five hundred ninety-four thousand, six hundred seventy-seven".