142395931219 has 2 divisors, whose sum is σ = 142395931220. Its totient is φ = 142395931218.

The previous prime is 142395931201. The next prime is 142395931229. The reversal of 142395931219 is 912139593241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142395931219 - 2⁹ = 142395930707 is a prime.

It is a super-2 number, since 2×142395931219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142395931229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71197965609 + 71197965610.

It is an arithmetic number, because the mean of its divisors is an integer number (71197965610).

Almost surely, 2^142395931219 is an apocalyptic number.

142395931219 is a deficient number, since it is larger than the sum of its proper divisors (1).

142395931219 is an equidigital number, since it uses as much as digits as its factorization.

142395931219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 49.

The spelling of 142395931219 in words is "one hundred forty-two billion, three hundred ninety-five million, nine hundred thirty-one thousand, two hundred nineteen".