148138638039 has 24 divisors (see below), whose sum is σ = 249537069600. Its totient is φ = 84650648544.

The previous prime is 148138638019. The next prime is 148138638059. The reversal of 148138638039 is 930836831841.

148138638039 is a `hidden beast` number, since 1 + 481 + 3 + 86 + 3 + 80 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (148138638019) and next prime (148138638059).

It is not a de Polignac number, because 148138638039 - 2⁹ = 148138637527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148138638019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23990862 + ... + 23997035.

It is an arithmetic number, because the mean of its divisors is an integer number (10397377900).

Almost surely, 2^148138638039 is an apocalyptic number.

148138638039 is a deficient number, since it is larger than the sum of its proper divisors (101398431561).

148138638039 is an equidigital number, since it uses as much as digits as its factorization.

148138638039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47987924 (or 47987907 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 148138638039 in words is "one hundred forty-eight billion, one hundred thirty-eight million, six hundred thirty-eight thousand, thirty-nine".