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139230956719 is a prime number
BaseRepresentation
bin1000000110101011001…
…1111100110010101111
3111022101020121102200201
42001222303330302233
54240121111103334
6143543430334331
713026162414421
oct2015263746257
9438336542621
10139230956719
1154058277588
1222b981ba3a7
131018b45a6ba
146a4b440811
15394d461c14
hex206acfccaf

139230956719 has 2 divisors, whose sum is σ = 139230956720. Its totient is φ = 139230956718.

The previous prime is 139230956687. The next prime is 139230956731. The reversal of 139230956719 is 917659032931.

It is a strong prime.

It is an emirp because it is prime and its reverse (917659032931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139230956719 - 25 = 139230956687 is a prime.

It is a super-2 number, since 2×1392309567192 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139230956719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139230956759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69615478359 + 69615478360.

It is an arithmetic number, because the mean of its divisors is an integer number (69615478360).

Almost surely, 2139230956719 is an apocalyptic number.

139230956719 is a deficient number, since it is larger than the sum of its proper divisors (1).

139230956719 is an equidigital number, since it uses as much as digits as its factorization.

139230956719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 139230956719 in words is "one hundred thirty-nine billion, two hundred thirty million, nine hundred fifty-six thousand, seven hundred nineteen".