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136807659 = 3215200851
BaseRepresentation
bin10000010011110…
…00010011101011
3100112102112211100
420021320103223
5240010321114
621324132443
73250563102
oct1011702353
9315375740
10136807659
117025168a
1239997123
13224602a1
1414253039
15c025909
hex82784eb

136807659 has 6 divisors (see below), whose sum is σ = 197611076. Its totient is φ = 91205100.

The previous prime is 136807613. The next prime is 136807667. The reversal of 136807659 is 956708631.

It is a happy number.

It is not a de Polignac number, because 136807659 - 28 = 136807403 is a prime.

It is a super-2 number, since 2×1368076592 = 37432671122120562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136805659) 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 5 ways as a sum of consecutive naturals, for example, 7600417 + ... + 7600434.

Almost surely, 2136807659 is an apocalyptic number.

136807659 is a deficient number, since it is larger than the sum of its proper divisors (60803417).

136807659 is a wasteful number, since it uses less digits than its factorization.

136807659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200857 (or 15200854 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 136807659 is about 11696.4806245298. The cubic root of 136807659 is about 515.2723089386.

The spelling of 136807659 in words is "one hundred thirty-six million, eight hundred seven thousand, six hundred fifty-nine".

Divisors: 1 3 9 15200851 45602553 136807659