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139803151 is a prime number
BaseRepresentation
bin10000101010100…
…11101000001111
3100202001201212111
420111103220033
5241242200101
621512244451
73315210235
oct1025235017
9322051774
10139803151
1171a081a4
123a9a0727
1322c6b877
14147d2955
15c418251
hex8553a0f

139803151 has 2 divisors, whose sum is σ = 139803152. Its totient is φ = 139803150.

The previous prime is 139803127. The next prime is 139803161. The reversal of 139803151 is 151308931.

It is a strong prime.

It is an emirp because it is prime and its reverse (151308931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139803151 - 25 = 139803119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139803161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69901575 + 69901576.

It is an arithmetic number, because the mean of its divisors is an integer number (69901576).

Almost surely, 2139803151 is an apocalyptic number.

139803151 is a deficient number, since it is larger than the sum of its proper divisors (1).

139803151 is an equidigital number, since it uses as much as digits as its factorization.

139803151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 139803151 is about 11823.8382516000. The cubic root of 139803151 is about 519.0059300162.

The spelling of 139803151 in words is "one hundred thirty-nine million, eight hundred three thousand, one hundred fifty-one".