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139301189 = 3713727481
BaseRepresentation
bin10000100110110…
…01000101000101
3100201010020022022
420103121011011
5241130114224
621453412525
73311016626
oct1023310505
9321106268
10139301189
11716a5055
123a79a145
1322b24251
1414701a4d
15c36965e
hex84d9145

139301189 has 8 divisors (see below), whose sum is σ = 144115608. Its totient is φ = 134542080.

The previous prime is 139301177. The next prime is 139301203. The reversal of 139301189 is 981103931.

It can be written as a sum of positive squares in 4 ways, for example, as 93508900 + 45792289 = 9670^2 + 6767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139301189 - 28 = 139300933 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 (139301489) 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 7 ways as a sum of consecutive naturals, for example, 8672 + ... + 18809.

It is an arithmetic number, because the mean of its divisors is an integer number (18014451).

Almost surely, 2139301189 is an apocalyptic number.

It is an amenable number.

139301189 is a deficient number, since it is larger than the sum of its proper divisors (4814419).

139301189 is a wasteful number, since it uses less digits than its factorization.

139301189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27655.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 139301189 is about 11802.5924694535. The cubic root of 139301189 is about 518.3840230086.

The spelling of 139301189 in words is "one hundred thirty-nine million, three hundred one thousand, one hundred eighty-nine".

Divisors: 1 37 137 5069 27481 1016797 3764897 139301189