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134448889 is a prime number
BaseRepresentation
bin10000000001110…
…00011011111001
3100100222201012111
420000320123321
5233404331024
621201412321
73221540161
oct1000703371
9310881174
10134448889
1169990493
123903a0a1
1321b15773
1413bdb5a1
15bc0ba94
hex80386f9

134448889 has 2 divisors, whose sum is σ = 134448890. Its totient is φ = 134448888.

The previous prime is 134448871. The next prime is 134448907. The reversal of 134448889 is 988844431.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (134448871) and next prime (134448907).

It can be written as a sum of positive squares in only one way, i.e., 74649600 + 59799289 = 8640^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 134448889 - 25 = 134448857 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (134448289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67224444 + 67224445.

It is an arithmetic number, because the mean of its divisors is an integer number (67224445).

Almost surely, 2134448889 is an apocalyptic number.

It is an amenable number.

134448889 is a deficient number, since it is larger than the sum of its proper divisors (1).

134448889 is an equidigital number, since it uses as much as digits as its factorization.

134448889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 49.

The square root of 134448889 is about 11595.2097436829. The cubic root of 134448889 is about 512.2937678255.

The spelling of 134448889 in words is "one hundred thirty-four million, four hundred forty-eight thousand, eight hundred eighty-nine".