147093209 has 4 divisors (see below), whose sum is σ = 147189120. Its totient is φ = 146997300.

The previous prime is 147093187. The next prime is 147093229. The reversal of 147093209 is 902390741.

147093209 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.

It is a cyclic number.

It is not a de Polignac number, because 147093209 - 2¹² = 147089113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147093229) 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, 45617 + ... + 48734.

It is an arithmetic number, because the mean of its divisors is an integer number (36797280).

Almost surely, 2^147093209 is an apocalyptic number.

It is an amenable number.

147093209 is a deficient number, since it is larger than the sum of its proper divisors (95911).

147093209 is an equidigital number, since it uses as much as digits as its factorization.

147093209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95910.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 147093209 is about 12128.1989182236. The cubic root of 147093209 is about 527.8747323446.

The spelling of 147093209 in words is "one hundred forty-seven million, ninety-three thousand, two hundred nine".