148277839 has 2 divisors, whose sum is σ = 148277840. Its totient is φ = 148277838.

The previous prime is 148277813. The next prime is 148277863. The reversal of 148277839 is 938772841.

148277839 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 (938772841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148277839 - 2⁵ = 148277807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148277792 and 148277801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148277869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74138919 + 74138920.

It is an arithmetic number, because the mean of its divisors is an integer number (74138920).

Almost surely, 2^148277839 is an apocalyptic number.

148277839 is a deficient number, since it is larger than the sum of its proper divisors (1).

148277839 is an equidigital number, since it uses as much as digits as its factorization.

148277839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 148277839 is about 12176.9388189315. The cubic root of 148277839 is about 529.2880425017.

The spelling of 148277839 in words is "one hundred forty-eight million, two hundred seventy-seven thousand, eight hundred thirty-nine".