147839959 has 2 divisors, whose sum is σ = 147839960. Its totient is φ = 147839958.

The previous prime is 147839897. The next prime is 147840013. The reversal of 147839959 is 959938741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147839959 - 2¹³ = 147831767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147834959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73919979 + 73919980.

It is an arithmetic number, because the mean of its divisors is an integer number (73919980).

Almost surely, 2^147839959 is an apocalyptic number.

147839959 is a deficient number, since it is larger than the sum of its proper divisors (1).

147839959 is an equidigital number, since it uses as much as digits as its factorization.

147839959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 55.

The square root of 147839959 is about 12158.9456368552. The cubic root of 147839959 is about 528.7665144333.

It can be divided in two parts, 14783 and 9959, that added together give a palindrome (24742).

The spelling of 147839959 in words is "one hundred forty-seven million, eight hundred thirty-nine thousand, nine hundred fifty-nine".