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135686107 = 891818423
BaseRepresentation
bin10000001011001…
…10011111011011
3100110022120100101
420011212133123
5234213423412
621244120231
73235212214
oct1005463733
9313276311
10135686107
116a655a87
1239536077
132215994b
141404040b
15bda3457
hex81667db

135686107 has 8 divisors (see below), whose sum is σ = 137985120. Its totient is φ = 133404480.

The previous prime is 135686093. The next prime is 135686119. The reversal of 135686107 is 701686531.

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 135686107 - 215 = 135653339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135686167) 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, 11898 + ... + 20320.

It is an arithmetic number, because the mean of its divisors is an integer number (17248140).

Almost surely, 2135686107 is an apocalyptic number.

135686107 is a deficient number, since it is larger than the sum of its proper divisors (2299013).

135686107 is an equidigital number, since it uses as much as digits as its factorization.

135686107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 135686107 is about 11648.4379639504. The cubic root of 135686107 is about 513.8603725266.

The spelling of 135686107 in words is "one hundred thirty-five million, six hundred eighty-six thousand, one hundred seven".

Divisors: 1 89 181 8423 16109 749647 1524563 135686107