147137569 has 2 divisors, whose sum is σ = 147137570. Its totient is φ = 147137568.

The previous prime is 147137537. The next prime is 147137587. The reversal of 147137569 is 965731741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75481344 + 71656225 = 8688^2 + 8465^2 .

It is a cyclic number.

It is not a de Polignac number, because 147137569 - 2⁵ = 147137537 is a prime.

It is a super-2 number, since 2×147137569² = 43298928422459522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147117569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73568784 + 73568785.

It is an arithmetic number, because the mean of its divisors is an integer number (73568785).

Almost surely, 2^147137569 is an apocalyptic number.

It is an amenable number.

147137569 is a deficient number, since it is larger than the sum of its proper divisors (1).

147137569 is an equidigital number, since it uses as much as digits as its factorization.

147137569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 147137569 is about 12130.0275762259. The cubic root of 147137569 is about 527.9277920558.

The spelling of 147137569 in words is "one hundred forty-seven million, one hundred thirty-seven thousand, five hundred sixty-nine".