147508613 has 4 divisors (see below), whose sum is σ = 168581280. Its totient is φ = 126435948.

The previous prime is 147508597. The next prime is 147508651. The reversal of 147508613 is 316805741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 316805741 = 7 ⋅45257963.

It is a cyclic number.

It is not a de Polignac number, because 147508613 - 2⁴ = 147508597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147508663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10536323 + ... + 10536336.

It is an arithmetic number, because the mean of its divisors is an integer number (42145320).

Almost surely, 2^147508613 is an apocalyptic number.

It is an amenable number.

147508613 is a deficient number, since it is larger than the sum of its proper divisors (21072667).

147508613 is an equidigital number, since it uses as much as digits as its factorization.

147508613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21072666.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 147508613 is about 12145.3123879133. The cubic root of 147508613 is about 528.3711866607.

The spelling of 147508613 in words is "one hundred forty-seven million, five hundred eight thousand, six hundred thirteen".