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139104737 is a prime number
BaseRepresentation
bin10000100101010…
…01000111100001
3100200202020211022
420102221013201
5241102322422
621445255225
73306241112
oct1022510741
9320666738
10139104737
11715804a2
123a704515
1322a859c5
1414690209
15c32b342
hex84a91e1

139104737 has 2 divisors, whose sum is σ = 139104738. Its totient is φ = 139104736.

The previous prime is 139104703. The next prime is 139104739. The reversal of 139104737 is 737401931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 2588881 = 11684^2 + 1609^2 .

It is a cyclic number.

It is not a de Polignac number, because 139104737 - 212 = 139100641 is a prime.

It is a super-3 number, since 3×1391047373 (a number of 25 digits) contains 333 as substring.

Together with 139104739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 139104697 and 139104706.

It is not a weakly prime, because it can be changed into another prime (139104739) 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 as a sum of consecutive naturals, namely, 69552368 + 69552369.

It is an arithmetic number, because the mean of its divisors is an integer number (69552369).

Almost surely, 2139104737 is an apocalyptic number.

It is an amenable number.

139104737 is a deficient number, since it is larger than the sum of its proper divisors (1).

139104737 is an equidigital number, since it uses as much as digits as its factorization.

139104737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 139104737 is about 11794.2671243278. The cubic root of 139104737 is about 518.1402215758.

The spelling of 139104737 in words is "one hundred thirty-nine million, one hundred four thousand, seven hundred thirty-seven".