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135750879 = 32113493929
BaseRepresentation
bin10000001011101…
…10010011011111
3100110102212012100
420011312103133
5234223012004
621245340143
73235602105
oct1005662337
9313385170
10135750879
116a69a710
1239567653
1322180284
1414059c75
15bdb7739
hex81764df

135750879 has 24 divisors (see below), whose sum is σ = 214578000. Its totient is φ = 82016640.

The previous prime is 135750847. The next prime is 135750887. The reversal of 135750879 is 978057531.

135750879 is a `hidden beast` number, since 1 + 3 + 575 + 0 + 8 + 79 = 666.

It is not a de Polignac number, because 135750879 - 25 = 135750847 is a prime.

It is a super-2 number, since 2×1357508792 = 36856602298545282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135750179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32587 + ... + 36515.

It is an arithmetic number, because the mean of its divisors is an integer number (8940750).

Almost surely, 2135750879 is an apocalyptic number.

135750879 is a deficient number, since it is larger than the sum of its proper divisors (78827121).

135750879 is a wasteful number, since it uses less digits than its factorization.

135750879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 135750879 is about 11651.2179191705. The cubic root of 135750879 is about 513.9421260925.

The spelling of 135750879 in words is "one hundred thirty-five million, seven hundred fifty thousand, eight hundred seventy-nine".

Divisors: 1 3 9 11 33 99 349 1047 3141 3839 3929 11517 11787 34551 35361 43219 129657 388971 1371221 4113663 12340989 15083431 45250293 135750879