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135027751 = 349421919
BaseRepresentation
bin10000000110001…
…01110000100111
3100102002010020211
420003011300213
5234031342001
621222040251
73226500625
oct1003056047
9312063224
10135027751
116a246391
1239279087
1321c890a1
1413d0c515
15bcc3351
hex80c5c27

135027751 has 8 divisors (see below), whose sum is σ = 135884000. Its totient is φ = 134174880.

The previous prime is 135027749. The next prime is 135027769. The reversal of 135027751 is 157720531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135027751 - 21 = 135027749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135027701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146470 + ... + 147388.

It is an arithmetic number, because the mean of its divisors is an integer number (16985500).

Almost surely, 2135027751 is an apocalyptic number.

135027751 is a deficient number, since it is larger than the sum of its proper divisors (856249).

135027751 is an equidigital number, since it uses as much as digits as its factorization.

135027751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 135027751 is about 11620.1441901553. The cubic root of 135027751 is about 513.0279323669.

The spelling of 135027751 in words is "one hundred thirty-five million, twenty-seven thousand, seven hundred fifty-one".

Divisors: 1 349 421 919 146929 320731 386899 135027751