142207319 has 2 divisors, whose sum is σ = 142207320. Its totient is φ = 142207318.

The previous prime is 142207301. The next prime is 142207327. The reversal of 142207319 is 913702241.

It is a strong prime.

It is an emirp because it is prime and its reverse (913702241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142207319 - 2¹² = 142203223 is a prime.

It is a super-2 number, since 2×142207319² = 40445843154335522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142207291 and 142207300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142207339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71103659 + 71103660.

It is an arithmetic number, because the mean of its divisors is an integer number (71103660).

Almost surely, 2^142207319 is an apocalyptic number.

142207319 is a deficient number, since it is larger than the sum of its proper divisors (1).

142207319 is an equidigital number, since it uses as much as digits as its factorization.

142207319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 142207319 is about 11925.0710270421. The cubic root of 142207319 is about 521.9641189745.

The spelling of 142207319 in words is "one hundred forty-two million, two hundred seven thousand, three hundred nineteen".