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139159753 is a prime number
BaseRepresentation
bin10000100101101…
…10100011001001
3100200212001021221
420102312203021
5241111103003
621450402041
73306560365
oct1022664311
9320761257
10139159753
1171608867
123a730321
1322aa4a65
14146a62a5
15c33c7bd
hex84b68c9

139159753 has 2 divisors, whose sum is σ = 139159754. Its totient is φ = 139159752.

The previous prime is 139159751. The next prime is 139159829. The reversal of 139159753 is 357951931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 2550409 = 11688^2 + 1597^2 .

It is an emirp because it is prime and its reverse (357951931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139159753 - 21 = 139159751 is a prime.

Together with 139159751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (139159751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69579876 + 69579877.

It is an arithmetic number, because the mean of its divisors is an integer number (69579877).

Almost surely, 2139159753 is an apocalyptic number.

It is an amenable number.

139159753 is a deficient number, since it is larger than the sum of its proper divisors (1).

139159753 is an equidigital number, since it uses as much as digits as its factorization.

139159753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127575, while the sum is 43.

The square root of 139159753 is about 11796.5992133326. The cubic root of 139159753 is about 518.2085208201.

The spelling of 139159753 in words is "one hundred thirty-nine million, one hundred fifty-nine thousand, seven hundred fifty-three".