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136166361 = 345388787
BaseRepresentation
bin10000001110110…
…11101111011001
3100111012222010120
420013123233121
5234324310421
621302303453
73242252322
oct1007335731
9314188116
10136166361
116a953891
1239727b89
1322297416
1414127449
15be4a8c6
hex81dbbd9

136166361 has 4 divisors (see below), whose sum is σ = 181555152. Its totient is φ = 90777572.

The previous prime is 136166357. The next prime is 136166411. The reversal of 136166361 is 163661631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136166361 - 22 = 136166357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136166321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22694391 + ... + 22694396.

It is an arithmetic number, because the mean of its divisors is an integer number (45388788).

Almost surely, 2136166361 is an apocalyptic number.

It is an amenable number.

136166361 is a deficient number, since it is larger than the sum of its proper divisors (45388791).

136166361 is an equidigital number, since it uses as much as digits as its factorization.

136166361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45388790.

The product of its digits is 11664, while the sum is 33.

The square root of 136166361 is about 11669.0342788082. The cubic root of 136166361 is about 514.4659194437.

The spelling of 136166361 in words is "one hundred thirty-six million, one hundred sixty-six thousand, three hundred sixty-one".

Divisors: 1 3 45388787 136166361