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133402079 is a prime number
BaseRepresentation
bin1111111001110…
…00110111011111
3100022000112020202
413330320313133
5233122331304
621123134115
73206620226
oct774706737
9308015222
10133402079
1169335a58
123881433b
132183a155
1413a07cbd
15baa181e
hex7f38ddf

133402079 has 2 divisors, whose sum is σ = 133402080. Its totient is φ = 133402078.

The previous prime is 133402019. The next prime is 133402081. The reversal of 133402079 is 970204331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133402079 - 212 = 133397983 is a prime.

It is a super-2 number, since 2×1334020792 = 35592229363044482, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 133402081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133402019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66701039 + 66701040.

It is an arithmetic number, because the mean of its divisors is an integer number (66701040).

Almost surely, 2133402079 is an apocalyptic number.

133402079 is a deficient number, since it is larger than the sum of its proper divisors (1).

133402079 is an equidigital number, since it uses as much as digits as its factorization.

133402079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 133402079 is about 11549.9817748774. The cubic root of 133402079 is about 510.9607405982.

The spelling of 133402079 in words is "one hundred thirty-three million, four hundred two thousand, seventy-nine".