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135710239 = 719997423
BaseRepresentation
bin10000001011011…
…00011000011111
3100110100210110011
420011230120133
5234220211424
621244424051
73235342450
oct1005543037
9313323404
10135710239
116a672125
1239548027
1322167922
1414049127
15bdaa694
hex816c61f

135710239 has 8 divisors (see below), whose sum is σ = 155878400. Its totient is φ = 115737336.

The previous prime is 135710203. The next prime is 135710251. The reversal of 135710239 is 932017531.

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 135710239 - 211 = 135708191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135710239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135710639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47319 + ... + 50104.

It is an arithmetic number, because the mean of its divisors is an integer number (19484800).

Almost surely, 2135710239 is an apocalyptic number.

135710239 is a deficient number, since it is larger than the sum of its proper divisors (20168161).

135710239 is an equidigital number, since it uses as much as digits as its factorization.

135710239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97629.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 135710239 is about 11649.4737649389. The cubic root of 135710239 is about 513.8908343617.

The spelling of 135710239 in words is "one hundred thirty-five million, seven hundred ten thousand, two hundred thirty-nine".

Divisors: 1 7 199 1393 97423 681961 19387177 135710239