5149342128 has 160 divisors (see below), whose sum is σ = 15415013376. Its totient is φ = 1450877184.

The previous prime is 5149342123. The next prime is 5149342129. The reversal of 5149342128 is 8212439415.

It is not an unprimeable number, because it can be changed into a prime (5149342123) 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 31 ways as a sum of consecutive naturals, for example, 9145975 + ... + 9146537.

Almost surely, 2^5149342128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149342128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7707506688).

5149342128 is an abundant number, since it is smaller than the sum of its proper divisors (10265671248).

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

5149342128 is a wasteful number, since it uses less digits than its factorization.

5149342128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 905 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 5149342128 is about 71758.9167142314. The cubic root of 5149342128 is about 1726.8339666526.

The spelling of 5149342128 in words is "five billion, one hundred forty-nine million, three hundred forty-two thousand, one hundred twenty-eight".