147242713 has 2 divisors, whose sum is σ = 147242714. Its totient is φ = 147242712.

The previous prime is 147242671. The next prime is 147242717. The reversal of 147242713 is 317242741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137053849 + 10188864 = 11707^2 + 3192^2 .

It is an emirp because it is prime and its reverse (317242741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147242713 is a prime.

It is not a weakly prime, because it can be changed into another prime (147242717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73621356 + 73621357.

It is an arithmetic number, because the mean of its divisors is an integer number (73621357).

Almost surely, 2^147242713 is an apocalyptic number.

It is an amenable number.

147242713 is a deficient number, since it is larger than the sum of its proper divisors (1).

147242713 is an equidigital number, since it uses as much as digits as its factorization.

147242713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 147242713 is about 12134.3608401926. The cubic root of 147242713 is about 528.0535139076.

The spelling of 147242713 in words is "one hundred forty-seven million, two hundred forty-two thousand, seven hundred thirteen".