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135026725 = 5240113469
BaseRepresentation
bin10000000110001…
…01100000100101
3100102002001211211
420003011200211
5234031323400
621222031421
73226464631
oct1003054045
9312061754
10135026725
116a245639
1239278571
1321c88792
1413d0bdc1
15bcc2dba
hex80c5825

135026725 has 12 divisors (see below), whose sum is σ = 167863140. Its totient is φ = 107744000.

The previous prime is 135026719. The next prime is 135026729. The reversal of 135026725 is 527620531.

It can be written as a sum of positive squares in 6 ways, for example, as 9541921 + 125484804 = 3089^2 + 11202^2 .

It is a de Polignac number, because none of the positive numbers 2k-135026725 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135026729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3291 + ... + 16759.

It is an arithmetic number, because the mean of its divisors is an integer number (13988595).

Almost surely, 2135026725 is an apocalyptic number.

It is an amenable number.

135026725 is a deficient number, since it is larger than the sum of its proper divisors (32836415).

135026725 is a wasteful number, since it uses less digits than its factorization.

135026725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880 (or 13875 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 135026725 is about 11620.1000425986. The cubic root of 135026725 is about 513.0266329600.

The spelling of 135026725 in words is "one hundred thirty-five million, twenty-six thousand, seven hundred twenty-five".

Divisors: 1 5 25 401 2005 10025 13469 67345 336725 5401069 27005345 135026725