142116739 has 2 divisors, whose sum is σ = 142116740. Its totient is φ = 142116738.

The previous prime is 142116731. The next prime is 142116749. The reversal of 142116739 is 937611241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142116739 - 2³ = 142116731 is a prime.

It is not a weakly prime, because it can be changed into another prime (142116731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71058369 + 71058370.

It is an arithmetic number, because the mean of its divisors is an integer number (71058370).

Almost surely, 2^142116739 is an apocalyptic number.

142116739 is a deficient number, since it is larger than the sum of its proper divisors (1).

142116739 is an equidigital number, since it uses as much as digits as its factorization.

142116739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 142116739 is about 11921.2725411342. The cubic root of 142116739 is about 521.8532724720.

The spelling of 142116739 in words is "one hundred forty-two million, one hundred sixteen thousand, seven hundred thirty-nine".