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1331135 = 51320479
BaseRepresentation
bin101000100111110111111
32111121222022
411010332333
5320044020
644310355
714212601
oct5047677
92447868
101331135
1182a113
125423bb
13377b70
14269171
151b4625
hex144fbf

1331135 has 8 divisors (see below), whose sum is σ = 1720320. Its totient is φ = 982944.

The previous prime is 1331123. The next prime is 1331153. The reversal of 1331135 is 5311331.

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 1331135 - 24 = 1331119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10175 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (215040).

21331135 is an apocalyptic number.

1331135 is a deficient number, since it is larger than the sum of its proper divisors (389185).

1331135 is a wasteful number, since it uses less digits than its factorization.

1331135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20497.

The product of its digits is 135, while the sum is 17.

The square root of 1331135 is about 1153.7482394353. The cubic root of 1331135 is about 110.0037188825.

Subtracting from 1331135 its product of digits (135), we obtain a cube (1331000 = 1103).

Adding to 1331135 its reverse (5311331), we get a palindrome (6642466).

The spelling of 1331135 in words is "one million, three hundred thirty-one thousand, one hundred thirty-five".

Divisors: 1 5 13 65 20479 102395 266227 1331135