148840039 has 2 divisors, whose sum is σ = 148840040. Its totient is φ = 148840038.

The previous prime is 148840019. The next prime is 148840051. The reversal of 148840039 is 930048841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148840039 - 2²⁵ = 115285607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148840009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74420019 + 74420020.

It is an arithmetic number, because the mean of its divisors is an integer number (74420020).

Almost surely, 2^148840039 is an apocalyptic number.

148840039 is a deficient number, since it is larger than the sum of its proper divisors (1).

148840039 is an equidigital number, since it uses as much as digits as its factorization.

148840039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 148840039 is about 12200.0015983606. The cubic root of 148840039 is about 529.9561361586.

The spelling of 148840039 in words is "one hundred forty-eight million, eight hundred forty thousand, thirty-nine".