147128265 has 32 divisors (see below), whose sum is σ = 266509440. Its totient is φ = 76984128.

The previous prime is 147128197. The next prime is 147128297. The reversal of 147128265 is 562821741.

It is not a de Polignac number, because 147128265 - 2¹⁵ = 147095497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3127 + ... + 17436.

It is an arithmetic number, because the mean of its divisors is an integer number (8328420).

Almost surely, 2^147128265 is an apocalyptic number.

147128265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147128265 is a deficient number, since it is larger than the sum of its proper divisors (119381175).

147128265 is a wasteful number, since it uses less digits than its factorization.

147128265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20630 (or 20624 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 147128265 is about 12129.6440590810. The cubic root of 147128265 is about 527.9166642753.

The spelling of 147128265 in words is "one hundred forty-seven million, one hundred twenty-eight thousand, two hundred sixty-five".