147136709 has 2 divisors, whose sum is σ = 147136710. Its totient is φ = 147136708.

The previous prime is 147136687. The next prime is 147136721. The reversal of 147136709 is 907631741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144528484 + 2608225 = 12022^2 + 1615^2 .

It is an emirp because it is prime and its reverse (907631741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147136709 - 2¹⁶ = 147071173 is a prime.

It is a super-2 number, since 2×147136709² = 43298422270701362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147136729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73568354 + 73568355.

It is an arithmetic number, because the mean of its divisors is an integer number (73568355).

Almost surely, 2^147136709 is an apocalyptic number.

It is an amenable number.

147136709 is a deficient number, since it is larger than the sum of its proper divisors (1).

147136709 is an equidigital number, since it uses as much as digits as its factorization.

147136709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 147136709 is about 12129.9921269554. The cubic root of 147136709 is about 527.9267634973.

The spelling of 147136709 in words is "one hundred forty-seven million, one hundred thirty-six thousand, seven hundred nine".