147235613 has 4 divisors (see below), whose sum is σ = 168269280. Its totient is φ = 126201948.

The previous prime is 147235607. The next prime is 147235619. The reversal of 147235613 is 316532741.

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 an interprime number because it is at equal distance from previous prime (147235607) and next prime (147235619).

It is a cyclic number.

It is not a de Polignac number, because 147235613 - 2¹⁰ = 147234589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147235613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147235619) 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, 10516823 + ... + 10516836.

It is an arithmetic number, because the mean of its divisors is an integer number (42067320).

Almost surely, 2^147235613 is an apocalyptic number.

It is an amenable number.

147235613 is a deficient number, since it is larger than the sum of its proper divisors (21033667).

147235613 is an equidigital number, since it uses as much as digits as its factorization.

147235613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033666.

The product of its digits is 15120, while the sum is 32.

The square root of 147235613 is about 12134.0682790233. The cubic root of 147235613 is about 528.0450262432.

The spelling of 147235613 in words is "one hundred forty-seven million, two hundred thirty-five thousand, six hundred thirteen".