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131459459 is a prime number
BaseRepresentation
bin1111101010111…
…10100110000011
3100011100211110212
413311132212003
5232123200314
621013344335
73154246505
oct765364603
9304324425
10131459459
116822948a
12380380ab
1321309b81
141365dd75
15b81ae3e
hex7d5e983

131459459 has 2 divisors, whose sum is σ = 131459460. Its totient is φ = 131459458.

The previous prime is 131459399. The next prime is 131459473. The reversal of 131459459 is 954954131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131459459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131455459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65729729 + 65729730.

It is an arithmetic number, because the mean of its divisors is an integer number (65729730).

Almost surely, 2131459459 is an apocalyptic number.

131459459 is a deficient number, since it is larger than the sum of its proper divisors (1).

131459459 is an equidigital number, since it uses as much as digits as its factorization.

131459459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 131459459 is about 11465.5771333152. The cubic root of 131459459 is about 508.4683755048.

The spelling of 131459459 in words is "one hundred thirty-one million, four hundred fifty-nine thousand, four hundred fifty-nine".