147106639 has 2 divisors, whose sum is σ = 147106640. Its totient is φ = 147106638.

The previous prime is 147106573. The next prime is 147106679. The reversal of 147106639 is 936601741.

147106639 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 (936601741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147106639 - 2¹⁹ = 146582351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147106598 and 147106607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147106679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73553319 + 73553320.

It is an arithmetic number, because the mean of its divisors is an integer number (73553320).

Almost surely, 2^147106639 is an apocalyptic number.

147106639 is a deficient number, since it is larger than the sum of its proper divisors (1).

147106639 is an equidigital number, since it uses as much as digits as its factorization.

147106639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 147106639 is about 12128.7525739459. The cubic root of 147106639 is about 527.8907973099.

The spelling of 147106639 in words is "one hundred forty-seven million, one hundred six thousand, six hundred thirty-nine".