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135365987805 = 35171015255911
BaseRepresentation
bin111111000010001110…
…0010000110111011101
3110221101212222200001220
41332010130100313131
54204212143102210
6142104122523553
712531331624446
oct1760434206735
9427355880056
10135365987805
11524546311a4
12222999665b9
13c9c37c6749
1467a1dda2cd
1537c3eb0c70
hex1f84710ddd

135365987805 has 32 divisors (see below), whose sum is σ = 231596506368. Its totient is φ = 67275648000.

The previous prime is 135365987803. The next prime is 135365987831. The reversal of 135365987805 is 508789563531.

It is not a de Polignac number, because 135365987805 - 21 = 135365987803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135365987803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2602201 + ... + 2653710.

It is an arithmetic number, because the mean of its divisors is an integer number (7237390824).

Almost surely, 2135365987805 is an apocalyptic number.

135365987805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135365987805 is a deficient number, since it is larger than the sum of its proper divisors (96230518563).

135365987805 is a wasteful number, since it uses less digits than its factorization.

135365987805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256037.

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 135365987805 in words is "one hundred thirty-five billion, three hundred sixty-five million, nine hundred eighty-seven thousand, eight hundred five".

Divisors: 1 3 5 15 17 51 85 101 255 303 505 1515 1717 5151 8585 25755 5255911 15767733 26279555 78838665 89350487 268051461 446752435 530847011 1340257305 1592541033 2654235055 7962705165 9024399187 27073197561 45121995935 135365987805