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136791275 = 525471651
BaseRepresentation
bin10000010011101…
…00010011101011
3100112101201100112
420021310103223
5240004310100
621323524535
73250464245
oct1011642353
9315351315
10136791275
1170240345
123998974b
13224559aa
141424b095
15c020b35
hex82744eb

136791275 has 6 divisors (see below), whose sum is σ = 169621212. Its totient is φ = 109433000.

The previous prime is 136791253. The next prime is 136791283. The reversal of 136791275 is 572197631.

It is not a de Polignac number, because 136791275 - 212 = 136787179 is a prime.

It is a super-2 number, since 2×1367912752 = 37423705832251250, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2735801 + ... + 2735850.

It is an arithmetic number, because the mean of its divisors is an integer number (28270202).

Almost surely, 2136791275 is an apocalyptic number.

136791275 is a deficient number, since it is larger than the sum of its proper divisors (32829937).

136791275 is an equidigital number, since it uses as much as digits as its factorization.

136791275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471661 (or 5471656 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 136791275 is about 11695.7802219433. The cubic root of 136791275 is about 515.2517385539.

The spelling of 136791275 in words is "one hundred thirty-six million, seven hundred ninety-one thousand, two hundred seventy-five".

Divisors: 1 5 25 5471651 27358255 136791275