147211889 has 8 divisors (see below), whose sum is σ = 161317632. Its totient is φ = 133226640.

The previous prime is 147211877. The next prime is 147211921. The reversal of 147211889 is 988112741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147211889 - 2¹⁶ = 147146353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147211819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27554 + ... + 32459.

It is an arithmetic number, because the mean of its divisors is an integer number (20164704).

Almost surely, 2^147211889 is an apocalyptic number.

It is an amenable number.

147211889 is a deficient number, since it is larger than the sum of its proper divisors (14105743).

147211889 is a wasteful number, since it uses less digits than its factorization.

147211889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60247.

The product of its digits is 32256, while the sum is 41.

The square root of 147211889 is about 12133.0906614926. The cubic root of 147211889 is about 528.0166635103.

The spelling of 147211889 in words is "one hundred forty-seven million, two hundred eleven thousand, eight hundred eighty-nine".