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132905387 is a prime number
BaseRepresentation
bin1111110101111…
…11100110101011
3100021002021220202
413322333212223
5233010433022
621104342415
73202451156
oct772774653
9307067822
10132905387
116902686a
1238614a0b
13216c5054
1413918c9d
15ba04592
hex7ebf9ab

132905387 has 2 divisors, whose sum is σ = 132905388. Its totient is φ = 132905386.

The previous prime is 132905363. The next prime is 132905393. The reversal of 132905387 is 783509231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132905387 - 210 = 132904363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132905387.

It is not a weakly prime, because it can be changed into another prime (132905317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66452693 + 66452694.

It is an arithmetic number, because the mean of its divisors is an integer number (66452694).

Almost surely, 2132905387 is an apocalyptic number.

132905387 is a deficient number, since it is larger than the sum of its proper divisors (1).

132905387 is an equidigital number, since it uses as much as digits as its factorization.

132905387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 132905387 is about 11528.4598711190. The cubic root of 132905387 is about 510.3258036127.

The spelling of 132905387 in words is "one hundred thirty-two million, nine hundred five thousand, three hundred eighty-seven".