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134990149 = 7217162053
BaseRepresentation
bin10000000101111…
…00100101000101
3100102000012200011
420002330211011
5234024141044
621221150221
73226253200
oct1002744505
9312005604
10134990149
116a220108
123925b371
1321c74c38
1413cdc937
15bcb7134
hex80bc945

134990149 has 12 divisors (see below), whose sum is σ = 166267404. Its totient is φ = 108898944.

The previous prime is 134990143. The next prime is 134990153. The reversal of 134990149 is 941099431.

It can be written as a sum of positive squares in 2 ways, for example, as 96177249 + 38812900 = 9807^2 + 6230^2 .

It is not a de Polignac number, because 134990149 - 211 = 134988101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134990143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80194 + ... + 81859.

It is an arithmetic number, because the mean of its divisors is an integer number (13855617).

Almost surely, 2134990149 is an apocalyptic number.

It is an amenable number.

134990149 is a deficient number, since it is larger than the sum of its proper divisors (31277255).

134990149 is a wasteful number, since it uses less digits than its factorization.

134990149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162084 (or 162077 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 134990149 is about 11618.5261113448. The cubic root of 134990149 is about 512.9803059417.

The spelling of 134990149 in words is "one hundred thirty-four million, nine hundred ninety thousand, one hundred forty-nine".

Divisors: 1 7 17 49 119 833 162053 1134371 2754901 7940597 19284307 134990149