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136866801 = 3179254873
BaseRepresentation
bin10000010100001…
…10101111110001
3100112112112221210
420022012233301
5240014214201
621325310333
73251230401
oct1012065761
9315475853
10136866801
1170292065
1239a053a9
1322481196
141426a801
15c0381d6
hex8286bf1

136866801 has 8 divisors (see below), whose sum is σ = 183509280. Its totient is φ = 90734432.

The previous prime is 136866799. The next prime is 136866833. The reversal of 136866801 is 108668631.

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 136866801 - 21 = 136866799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136866801.

It is not an unprimeable number, because it can be changed into a prime (136866871) 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 7 ways as a sum of consecutive naturals, for example, 126900 + ... + 127973.

It is an arithmetic number, because the mean of its divisors is an integer number (22938660).

Almost surely, 2136866801 is an apocalyptic number.

It is an amenable number.

136866801 is a deficient number, since it is larger than the sum of its proper divisors (46642479).

136866801 is a wasteful number, since it uses less digits than its factorization.

136866801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255055.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 136866801 is about 11699.0085477360. The cubic root of 136866801 is about 515.3465490429.

The spelling of 136866801 in words is "one hundred thirty-six million, eight hundred sixty-six thousand, eight hundred one".

Divisors: 1 3 179 537 254873 764619 45622267 136866801