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136986827 = 1923313471
BaseRepresentation
bin10000010101001…
…00000011001011
3100112202122121012
420022210003023
5240032034302
621332034135
73252240335
oct1012440313
9315678535
10136986827
117036425a
1239a6294b
13224c39c3
141429c455
15c05da52
hex82a40cb

136986827 has 8 divisors (see below), whose sum is σ = 150466560. Its totient is φ = 124134120.

The previous prime is 136986823. The next prime is 136986841. The reversal of 136986827 is 728689631.

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 136986827 - 22 = 136986823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136986823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156299 + ... + 157172.

It is an arithmetic number, because the mean of its divisors is an integer number (18808320).

Almost surely, 2136986827 is an apocalyptic number.

136986827 is a deficient number, since it is larger than the sum of its proper divisors (13479733).

136986827 is a wasteful number, since it uses less digits than its factorization.

136986827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313513.

The product of its digits is 870912, while the sum is 50.

The square root of 136986827 is about 11704.1371745208. The cubic root of 136986827 is about 515.4971502403.

The spelling of 136986827 in words is "one hundred thirty-six million, nine hundred eighty-six thousand, eight hundred twenty-seven".

Divisors: 1 19 23 437 313471 5955949 7209833 136986827