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136165413 = 345388471
BaseRepresentation
bin10000001110110…
…11100000100101
3100111012220211110
420013123200211
5234324243123
621302255233
73242246466
oct1007334045
9314186743
10136165413
116a9530aa
1239727519
1322296b67
1414126d6d
15be4a493
hex81db825

136165413 has 4 divisors (see below), whose sum is σ = 181553888. Its totient is φ = 90776940.

The previous prime is 136165409. The next prime is 136165429. The reversal of 136165413 is 314561631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 314561631 = 3104853877.

It is not a de Polignac number, because 136165413 - 22 = 136165409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136165453) 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, 22694233 + ... + 22694238.

It is an arithmetic number, because the mean of its divisors is an integer number (45388472).

Almost surely, 2136165413 is an apocalyptic number.

It is an amenable number.

136165413 is a deficient number, since it is larger than the sum of its proper divisors (45388475).

136165413 is an equidigital number, since it uses as much as digits as its factorization.

136165413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45388474.

The product of its digits is 6480, while the sum is 30.

The square root of 136165413 is about 11668.9936584095. The cubic root of 136165413 is about 514.4647255247.

The spelling of 136165413 in words is "one hundred thirty-six million, one hundred sixty-five thousand, four hundred thirteen".

Divisors: 1 3 45388471 136165413