147268619 has 2 divisors, whose sum is σ = 147268620. Its totient is φ = 147268618.

The previous prime is 147268573. The next prime is 147268673. The reversal of 147268619 is 916862741.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147268619 is a prime.

It is a super-2 number, since 2×147268619² = 43376092284334322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147268619.

It is not a weakly prime, because it can be changed into another prime (147261619) 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, 73634309 + 73634310.

It is an arithmetic number, because the mean of its divisors is an integer number (73634310).

Almost surely, 2^147268619 is an apocalyptic number.

147268619 is a deficient number, since it is larger than the sum of its proper divisors (1).

147268619 is an equidigital number, since it uses as much as digits as its factorization.

147268619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 147268619 is about 12135.4282577913. The cubic root of 147268619 is about 528.0844808100.

The spelling of 147268619 in words is "one hundred forty-seven million, two hundred sixty-eight thousand, six hundred nineteen".