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135144210 = 23510742101
BaseRepresentation
bin10000000111000…
…10001100010010
3100102022001000010
420003202030102
5234044103320
621224335350
73230464305
oct1003421422
9312261003
10135144210
116a315933
1239314556
1321cca0b6
1413d3cb3c
15bce7ae0
hex80e2312

135144210 has 32 divisors (see below), whose sum is σ = 327385152. Its totient is φ = 35700800.

The previous prime is 135144157. The next prime is 135144253. The reversal of 135144210 is 12441531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17841 + ... + 24260.

It is an arithmetic number, because the mean of its divisors is an integer number (10230786).

Almost surely, 2135144210 is an apocalyptic number.

135144210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135144210 is an abundant number, since it is smaller than the sum of its proper divisors (192240942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135144210 is a wasteful number, since it uses less digits than its factorization.

135144210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42218.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 135144210 is about 11625.1541925258. The cubic root of 135144210 is about 513.1753824304.

Adding to 135144210 its reverse (12441531), we get a palindrome (147585741).

The spelling of 135144210 in words is "one hundred thirty-five million, one hundred forty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 107 214 321 535 642 1070 1605 3210 42101 84202 126303 210505 252606 421010 631515 1263030 4504807 9009614 13514421 22524035 27028842 45048070 67572105 135144210