142239763 has 2 divisors, whose sum is σ = 142239764. Its totient is φ = 142239762.

The previous prime is 142239761. The next prime is 142239781. The reversal of 142239763 is 367932241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142239763 - 2¹ = 142239761 is a prime.

Together with 142239761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142239761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71119881 + 71119882.

It is an arithmetic number, because the mean of its divisors is an integer number (71119882).

Almost surely, 2^142239763 is an apocalyptic number.

142239763 is a deficient number, since it is larger than the sum of its proper divisors (1).

142239763 is an equidigital number, since it uses as much as digits as its factorization.

142239763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 142239763 is about 11926.4312767902. The cubic root of 142239763 is about 522.0038105935.

The spelling of 142239763 in words is "one hundred forty-two million, two hundred thirty-nine thousand, seven hundred sixty-three".