148621919539 has 16 divisors (see below), whose sum is σ = 153926922240. Its totient is φ = 143349634080.

The previous prime is 148621919531. The next prime is 148621919543. The reversal of 148621919539 is 935919126841.

It is a cyclic number.

It is not a de Polignac number, because 148621919539 - 2³ = 148621919531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148621919531) 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 in 15 ways as a sum of consecutive naturals, for example, 12421642 + ... + 12433600.

It is an arithmetic number, because the mean of its divisors is an integer number (9620432640).

Almost surely, 2^148621919539 is an apocalyptic number.

148621919539 is a deficient number, since it is larger than the sum of its proper divisors (5305002701).

148621919539 is a wasteful number, since it uses less digits than its factorization.

148621919539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290.

The product of its digits is 4199040, while the sum is 58.

The spelling of 148621919539 in words is "one hundred forty-eight billion, six hundred twenty-one million, nine hundred nineteen thousand, five hundred thirty-nine".