147739589 has 4 divisors (see below), whose sum is σ = 147766656. Its totient is φ = 147712524.

The previous prime is 147739577. The next prime is 147739597. The reversal of 147739589 is 985937741.

147739589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 985937741 = 457 ⋅2157413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147739589 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 147739589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147739549) 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, 2159 + ... + 17324.

It is an arithmetic number, because the mean of its divisors is an integer number (36941664).

Almost surely, 2^147739589 is an apocalyptic number.

It is an amenable number.

147739589 is a deficient number, since it is larger than the sum of its proper divisors (27067).

147739589 is an equidigital number, since it uses as much as digits as its factorization.

147739589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27066.

The product of its digits is 1905120, while the sum is 53.

The square root of 147739589 is about 12154.8175222831. The cubic root of 147739589 is about 528.6468257502.

The spelling of 147739589 in words is "one hundred forty-seven million, seven hundred thirty-nine thousand, five hundred eighty-nine".