Search a number
-
+
135290079 = 32531811567
BaseRepresentation
bin10000001000001…
…01110011011111
3100102120110002200
420010011303133
5234113240304
621231422543
73231642501
oct1004056337
9312513080
10135290079
116a405491
1239384a53
132204b602
1413d79d71
15bd25e39
hex8105cdf

135290079 has 24 divisors (see below), whose sum is σ = 200333952. Its totient is φ = 87946560.

The previous prime is 135290047. The next prime is 135290087. The reversal of 135290079 is 970092531.

It is not a de Polignac number, because 135290079 - 25 = 135290047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135790079) 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 23 ways as a sum of consecutive naturals, for example, 85554 + ... + 87120.

It is an arithmetic number, because the mean of its divisors is an integer number (8347248).

Almost surely, 2135290079 is an apocalyptic number.

135290079 is a deficient number, since it is larger than the sum of its proper divisors (65043873).

135290079 is a wasteful number, since it uses less digits than its factorization.

135290079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 135290079 is about 11631.4263527738. The cubic root of 135290079 is about 513.3599493799.

The spelling of 135290079 in words is "one hundred thirty-five million, two hundred ninety thousand, seventy-nine".

Divisors: 1 3 9 53 159 181 477 543 1567 1629 4701 9593 14103 28779 83051 86337 249153 283627 747459 850881 2552643 15032231 45096693 135290079