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135887801 = 727171633
BaseRepresentation
bin10000001100101…
…11101110111001
3100110200211000112
420012113232321
5234241402201
621252314105
73240012230
oct1006275671
9313624015
10135887801
116a783575
1239612935
13221ca6aa
1414093b17
15bde30bb
hex8197bb9

135887801 has 8 divisors (see below), whose sum is σ = 155875584. Its totient is φ = 116043840.

The previous prime is 135887789. The next prime is 135887803. The reversal of 135887801 is 108788531.

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 135887801 - 26 = 135887737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135887803) 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, 33920 + ... + 37713.

It is an arithmetic number, because the mean of its divisors is an integer number (19484448).

Almost surely, 2135887801 is an apocalyptic number.

It is an amenable number.

135887801 is a deficient number, since it is larger than the sum of its proper divisors (19987783).

135887801 is an equidigital number, since it uses as much as digits as its factorization.

135887801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71911.

The product of its (nonzero) digits is 53760, while the sum is 41.

The square root of 135887801 is about 11657.0923046873. The cubic root of 135887801 is about 514.1148599968.

The spelling of 135887801 in words is "one hundred thirty-five million, eight hundred eighty-seven thousand, eight hundred one".

Divisors: 1 7 271 1897 71633 501431 19412543 135887801