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135111151 = 7533111171
BaseRepresentation
bin10000000110110…
…10000111101111
3100102020100122201
420003122013233
5234042024101
621223522331
73230266030
oct1003320757
9312210581
10135111151
116a2a300a
12392b93a7
1321cb8036
1413d30a87
15bcdce01
hex80da1ef

135111151 has 16 divisors (see below), whose sum is σ = 157966848. Its totient is φ = 113162400.

The previous prime is 135111139. The next prime is 135111187. The reversal of 135111151 is 151111531.

135111151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 135111151 - 27 = 135111023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135111191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114796 + ... + 115966.

It is an arithmetic number, because the mean of its divisors is an integer number (9872928).

Almost surely, 2135111151 is an apocalyptic number.

135111151 is a deficient number, since it is larger than the sum of its proper divisors (22855697).

135111151 is a wasteful number, since it uses less digits than its factorization.

135111151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 75, while the sum is 19.

The square root of 135111151 is about 11623.7322319468. The cubic root of 135111151 is about 513.1335346677.

Adding to 135111151 its reverse (151111531), we get a palindrome (286222682).

The spelling of 135111151 in words is "one hundred thirty-five million, one hundred eleven thousand, one hundred fifty-one".

Divisors: 1 7 53 311 371 1171 2177 8197 16483 62063 115381 364181 434441 2549267 19301593 135111151