142240940419 has 2 divisors, whose sum is σ = 142240940420. Its totient is φ = 142240940418.

The previous prime is 142240940383. The next prime is 142240940441. The reversal of 142240940419 is 914049042241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142240940419 - 2²¹ = 142238843267 is a prime.

It is a super-2 number, since 2×142240940419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142240940519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71120470209 + 71120470210.

It is an arithmetic number, because the mean of its divisors is an integer number (71120470210).

Almost surely, 2^142240940419 is an apocalyptic number.

142240940419 is a deficient number, since it is larger than the sum of its proper divisors (1).

142240940419 is an equidigital number, since it uses as much as digits as its factorization.

142240940419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 142240940419 in words is "one hundred forty-two billion, two hundred forty million, nine hundred forty thousand, four hundred nineteen".