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132100391 is a prime number
BaseRepresentation
bin1111101111110…
…11000100100111
3100012120101200002
413313323010213
5232304203031
621035211515
73162556223
oct767730447
9305511602
10132100391
1168626a85
12382a6b9b
13214a2817
1413789783
15b8e5ccb
hex7dfb127

132100391 has 2 divisors, whose sum is σ = 132100392. Its totient is φ = 132100390.

The previous prime is 132100361. The next prime is 132100411. The reversal of 132100391 is 193001231.

It is an a-pointer prime, because the next prime (132100411) can be obtained adding 132100391 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (193001231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132100391 - 222 = 127906087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132100301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66050195 + 66050196.

It is an arithmetic number, because the mean of its divisors is an integer number (66050196).

Almost surely, 2132100391 is an apocalyptic number.

132100391 is a deficient number, since it is larger than the sum of its proper divisors (1).

132100391 is an equidigital number, since it uses as much as digits as its factorization.

132100391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 132100391 is about 11493.4934201921. The cubic root of 132100391 is about 509.2933838447.

The spelling of 132100391 in words is "one hundred thirty-two million, one hundred thousand, three hundred ninety-one".