142676693 has 2 divisors, whose sum is σ = 142676694. Its totient is φ = 142676692.

The previous prime is 142676687. The next prime is 142676707. The reversal of 142676693 is 396676241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137757169 + 4919524 = 11737^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 142676693 - 2⁶ = 142676629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142676993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71338346 + 71338347.

It is an arithmetic number, because the mean of its divisors is an integer number (71338347).

Almost surely, 2^142676693 is an apocalyptic number.

It is an amenable number.

142676693 is a deficient number, since it is larger than the sum of its proper divisors (1).

142676693 is an equidigital number, since it uses as much as digits as its factorization.

142676693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 142676693 is about 11944.7349489221. The cubic root of 142676693 is about 522.5377587694.

The spelling of 142676693 in words is "one hundred forty-two million, six hundred seventy-six thousand, six hundred ninety-three".