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136814807 = 7911871459
BaseRepresentation
bin10000010011110…
…10000011010111
3100112102220122002
420021322003113
5240011033212
621324225515
73250622663
oct1011720327
9315386562
10136814807
1170256a98
123999b29b
132246360c
14142558a3
15c027ac2
hex827a0d7

136814807 has 8 divisors (see below), whose sum is σ = 138758400. Its totient is φ = 134876664.

The previous prime is 136814803. The next prime is 136814819. The reversal of 136814807 is 708418631.

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 136814807 - 22 = 136814803 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 (136814803) 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, 93044 + ... + 94502.

It is an arithmetic number, because the mean of its divisors is an integer number (17344800).

Almost surely, 2136814807 is an apocalyptic number.

136814807 is a deficient number, since it is larger than the sum of its proper divisors (1943593).

136814807 is a wasteful number, since it uses less digits than its factorization.

136814807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 136814807 is about 11696.7861825375. The cubic root of 136814807 is about 515.2812828570.

The spelling of 136814807 in words is "one hundred thirty-six million, eight hundred fourteen thousand, eight hundred seven".

Divisors: 1 79 1187 1459 93773 115261 1731833 136814807