147839047 has 2 divisors, whose sum is σ = 147839048.
Its totient is φ = 147839046.
The previous prime is 147839033. The next prime is 147839113. The reversal of 147839047 is 740938741.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 147839047 - 227 = 13621319 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 147838994 and 147839012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (147839647) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73919523 + 73919524.
It is an arithmetic number, because the mean of its divisors is an integer number (73919524).
Almost surely, 2147839047 is an apocalyptic number.
147839047 is a deficient number, since it is larger than the sum of its proper divisors (1).
147839047 is an equidigital number, since it uses as much as digits as its factorization.
147839047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 147839047 is about 12158.9081335455.
The cubic root of 147839047 is about 528.7654271403.
The spelling of 147839047 in words is "one hundred forty-seven million, eight hundred thirty-nine thousand, forty-seven".