142440119 has 2 divisors, whose sum is σ = 142440120. Its totient is φ = 142440118.

The previous prime is 142440107. The next prime is 142440143. The reversal of 142440119 is 911044241.

It is a weak prime.

It is an emirp because it is prime and its reverse (911044241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142440119 - 2²⁰ = 141391543 is a prime.

It is a super-2 number, since 2×142440119² = 40578375001468322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142449119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71220059 + 71220060.

It is an arithmetic number, because the mean of its divisors is an integer number (71220060).

Almost surely, 2^142440119 is an apocalyptic number.

142440119 is a deficient number, since it is larger than the sum of its proper divisors (1).

142440119 is an equidigital number, since it uses as much as digits as its factorization.

142440119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 142440119 is about 11934.8279836787. The cubic root of 142440119 is about 522.2487902098.

The spelling of 142440119 in words is "one hundred forty-two million, four hundred forty thousand, one hundred nineteen".