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136386385 = 571384187
BaseRepresentation
bin10000010000100…
…01011101010001
3100111122010221121
420020101131101
5234403331020
621311122241
73244156642
oct1010213521
9314563847
10136386385
116aa94123
1239813381
1322343605
14141836c9
15be90baa
hex8211751

136386385 has 8 divisors (see below), whose sum is σ = 165969216. Its totient is φ = 107572080.

The previous prime is 136386379. The next prime is 136386401. The reversal of 136386385 is 583683631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136386385 - 25 = 136386353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191739 + ... + 192448.

It is an arithmetic number, because the mean of its divisors is an integer number (20746152).

Almost surely, 2136386385 is an apocalyptic number.

It is an amenable number.

136386385 is a deficient number, since it is larger than the sum of its proper divisors (29582831).

136386385 is an equidigital number, since it uses as much as digits as its factorization.

136386385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384263.

The product of its digits is 311040, while the sum is 43.

The square root of 136386385 is about 11678.4581602196. The cubic root of 136386385 is about 514.7428697242.

The spelling of 136386385 in words is "one hundred thirty-six million, three hundred eighty-six thousand, three hundred eighty-five".

Divisors: 1 5 71 355 384187 1920935 27277277 136386385