142219699 has 2 divisors, whose sum is σ = 142219700. Its totient is φ = 142219698.

The previous prime is 142219687. The next prime is 142219709. The reversal of 142219699 is 996912241.

142219699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142219699 - 2¹⁷ = 142088627 is a prime.

It is not a weakly prime, because it can be changed into another prime (142219639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71109849 + 71109850.

It is an arithmetic number, because the mean of its divisors is an integer number (71109850).

Almost surely, 2^142219699 is an apocalyptic number.

142219699 is a deficient number, since it is larger than the sum of its proper divisors (1).

142219699 is an equidigital number, since it uses as much as digits as its factorization.

142219699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 142219699 is about 11925.5900902220. The cubic root of 142219699 is about 521.9792652373.

The spelling of 142219699 in words is "one hundred forty-two million, two hundred nineteen thousand, six hundred ninety-nine".