147513309 has 4 divisors (see below), whose sum is σ = 196684416. Its totient is φ = 98342204.

The previous prime is 147513299. The next prime is 147513313. The reversal of 147513309 is 903315741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147513309 - 2⁵ = 147513277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147513309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147513109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24585549 + ... + 24585554.

It is an arithmetic number, because the mean of its divisors is an integer number (49171104).

Almost surely, 2^147513309 is an apocalyptic number.

It is an amenable number.

147513309 is a deficient number, since it is larger than the sum of its proper divisors (49171107).

147513309 is an equidigital number, since it uses as much as digits as its factorization.

147513309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49171106.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 147513309 is about 12145.5057119908. The cubic root of 147513309 is about 528.3767935757.

The spelling of 147513309 in words is "one hundred forty-seven million, five hundred thirteen thousand, three hundred nine".