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139648151 is a prime number
BaseRepresentation
bin10000101001011…
…01110010010111
3100201202212020202
420110231302113
5241222220101
621505051115
73313663316
oct1024556227
9321685222
10139648151
11719117a5
123a926a9b
1322c16156
141479227d
15c3d736b
hex852dc97

139648151 has 2 divisors, whose sum is σ = 139648152. Its totient is φ = 139648150.

The previous prime is 139648147. The next prime is 139648153. The reversal of 139648151 is 151846931.

139648151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (151846931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139648151 - 22 = 139648147 is a prime.

Together with 139648153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139648153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69824075 + 69824076.

It is an arithmetic number, because the mean of its divisors is an integer number (69824076).

Almost surely, 2139648151 is an apocalyptic number.

139648151 is a deficient number, since it is larger than the sum of its proper divisors (1).

139648151 is an equidigital number, since it uses as much as digits as its factorization.

139648151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 139648151 is about 11817.2818786724. The cubic root of 139648151 is about 518.8140514901.

The spelling of 139648151 in words is "one hundred thirty-nine million, six hundred forty-eight thousand, one hundred fifty-one".