147185713 has 2 divisors, whose sum is σ = 147185714. Its totient is φ = 147185712.

The previous prime is 147185663. The next prime is 147185749. The reversal of 147185713 is 317581741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147185424 + 289 = 12132^2 + 17^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147185713 is a prime.

It is a super-2 number, since 2×147185713² = 43327268222636738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147185783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73592856 + 73592857.

It is an arithmetic number, because the mean of its divisors is an integer number (73592857).

Almost surely, 2^147185713 is an apocalyptic number.

It is an amenable number.

147185713 is a deficient number, since it is larger than the sum of its proper divisors (1).

147185713 is an equidigital number, since it uses as much as digits as its factorization.

147185713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 37.

The square root of 147185713 is about 12132.0119106437. The cubic root of 147185713 is about 527.9853658038.

The spelling of 147185713 in words is "one hundred forty-seven million, one hundred eighty-five thousand, seven hundred thirteen".