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135173005 = 51173131257
BaseRepresentation
bin10000000111010…
…01001110001101
3100102100111111121
420003221032031
5234101014010
621225120541
73230644252
oct1003511615
9312314447
10135173005
116a335530
1239329151
132200a236
1413d49429
15bd013da
hex80e938d

135173005 has 32 divisors (see below), whose sum is σ = 181450368. Its totient is φ = 95846400.

The previous prime is 135172997. The next prime is 135173009. The reversal of 135173005 is 500371531.

It is not a de Polignac number, because 135173005 - 23 = 135172997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135173009) 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, 525837 + ... + 526093.

It is an arithmetic number, because the mean of its divisors is an integer number (5670324).

Almost surely, 2135173005 is an apocalyptic number.

It is an amenable number.

135173005 is a deficient number, since it is larger than the sum of its proper divisors (46277363).

135173005 is a wasteful number, since it uses less digits than its factorization.

135173005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 135173005 is about 11626.3926047592. The cubic root of 135173005 is about 513.2118270446.

The spelling of 135173005 in words is "one hundred thirty-five million, one hundred seventy-three thousand, five".

Divisors: 1 5 11 55 73 131 257 365 655 803 1285 1441 2827 4015 7205 9563 14135 18761 33667 47815 93805 105193 168335 206371 370337 525965 1031855 1851685 2457691 12288455 27034601 135173005