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133425907 is a prime number
BaseRepresentation
bin1111111001111…
…10101011110011
3100022001201221021
413330332223303
5233124112112
621123440311
73210046546
oct774765363
9308051837
10133425907
116935194a
1238826097
1321847c54
1413a1285d
15baa8907
hex7f3eaf3

133425907 has 2 divisors, whose sum is σ = 133425908. Its totient is φ = 133425906.

The previous prime is 133425899. The next prime is 133425913. The reversal of 133425907 is 709524331.

It is a strong prime.

It is an emirp because it is prime and its reverse (709524331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133425907 - 23 = 133425899 is a prime.

It is not a weakly prime, because it can be changed into another prime (133425917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66712953 + 66712954.

It is an arithmetic number, because the mean of its divisors is an integer number (66712954).

Almost surely, 2133425907 is an apocalyptic number.

133425907 is a deficient number, since it is larger than the sum of its proper divisors (1).

133425907 is an equidigital number, since it uses as much as digits as its factorization.

133425907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 133425907 is about 11551.0132455988. The cubic root of 133425907 is about 510.9911610329.

The spelling of 133425907 in words is "one hundred thirty-three million, four hundred twenty-five thousand, nine hundred seven".