30138077148 has 24 divisors (see below), whose sum is σ = 71818397952. Its totient is φ = 9832280304.

The previous prime is 30138077119. The next prime is 30138077171. The reversal of 30138077148 is 84177083103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 26717590 + ... + 26718717.

It is an arithmetic number, because the mean of its divisors is an integer number (2992433248).

Almost surely, 2^30138077148 is an apocalyptic number.

It is an amenable number.

30138077148 is an abundant number, since it is smaller than the sum of its proper divisors (41680320804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30138077148 is a wasteful number, since it uses less digits than its factorization.

30138077148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53436361 (or 53436359 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 30138077148 in words is "thirty billion, one hundred thirty-eight million, seventy-seven thousand, one hundred forty-eight".