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135752041 = 731859617
BaseRepresentation
bin10000001011101…
…10100101101001
3100110102220210101
420011312211221
5234223031131
621245345401
73235605355
oct1005664551
9313386711
10135752041
116a6a0577
1239568261
1322180969
141405a465
15bdb7c61
hex8176969

135752041 has 4 divisors (see below), whose sum is σ = 137611732. Its totient is φ = 133892352.

The previous prime is 135752033. The next prime is 135752051. The reversal of 135752041 is 140257531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140257531 = 178250443.

It can be written as a sum of positive squares in 2 ways, for example, as 85285225 + 50466816 = 9235^2 + 7104^2 .

It is a cyclic number.

It is not a de Polignac number, because 135752041 - 23 = 135752033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135752011) 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 3 ways as a sum of consecutive naturals, for example, 929736 + ... + 929881.

It is an arithmetic number, because the mean of its divisors is an integer number (34402933).

Almost surely, 2135752041 is an apocalyptic number.

It is an amenable number.

135752041 is a deficient number, since it is larger than the sum of its proper divisors (1859691).

135752041 is an equidigital number, since it uses as much as digits as its factorization.

135752041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859690.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 135752041 is about 11651.2677850953. The cubic root of 135752041 is about 513.9435925018.

The spelling of 135752041 in words is "one hundred thirty-five million, seven hundred fifty-two thousand, forty-one".

Divisors: 1 73 1859617 135752041