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136355807 = 7181107621
BaseRepresentation
bin10000010000010…
…01111111011111
3100111120121000002
420020021333133
5234401341212
621310324515
73244001540
oct1010117737
9314517002
10136355807
116aa73155
12397b973b
1322332713
14141764c7
15be86ac2
hex8209fdf

136355807 has 8 divisors (see below), whose sum is σ = 156697632. Its totient is φ = 116229600.

The previous prime is 136355749. The next prime is 136355809. The reversal of 136355807 is 708553631.

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 136355807 - 28 = 136355551 is a prime.

It is a super-2 number, since 2×1363558072 = 37185812205242498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136355809) 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, 52544 + ... + 55077.

It is an arithmetic number, because the mean of its divisors is an integer number (19587204).

Almost surely, 2136355807 is an apocalyptic number.

136355807 is a deficient number, since it is larger than the sum of its proper divisors (20341825).

136355807 is a wasteful number, since it uses less digits than its factorization.

136355807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107809.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 136355807 is about 11677.1489242880. The cubic root of 136355807 is about 514.7043981815.

The spelling of 136355807 in words is "one hundred thirty-six million, three hundred fifty-five thousand, eight hundred seven".

Divisors: 1 7 181 1267 107621 753347 19479401 136355807