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133450619 is a prime number
BaseRepresentation
bin1111111010001…
…00101101111011
3100022002222211112
413331010231323
5233130404434
621124150535
73210211601
oct775045573
9308088745
10133450619
1169369475
123883844b
1321856283
1413a1b871
15bab0dce
hex7f44b7b

133450619 has 2 divisors, whose sum is σ = 133450620. Its totient is φ = 133450618.

The previous prime is 133450607. The next prime is 133450651. The reversal of 133450619 is 916054331.

It is an a-pointer prime, because the next prime (133450651) can be obtained adding 133450619 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (916054331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133450619 is a prime.

It is a super-2 number, since 2×1334506192 = 35618135422966322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133450679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66725309 + 66725310.

It is an arithmetic number, because the mean of its divisors is an integer number (66725310).

Almost surely, 2133450619 is an apocalyptic number.

133450619 is a deficient number, since it is larger than the sum of its proper divisors (1).

133450619 is an equidigital number, since it uses as much as digits as its factorization.

133450619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 133450619 is about 11552.0828857830. The cubic root of 133450619 is about 511.0227062162.

The spelling of 133450619 in words is "one hundred thirty-three million, four hundred fifty thousand, six hundred nineteen".