5138173432 has 64 divisors (see below), whose sum is σ = 11798680320. Its totient is φ = 2047538688.

The previous prime is 5138173429. The next prime is 5138173451. The reversal of 5138173432 is 2343718315.

It is a junction number, because it is equal to n+sod(n) for n = 5138173391 and 5138173400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46503 + ... + 111529.

It is an arithmetic number, because the mean of its divisors is an integer number (184354380).

Almost surely, 2^5138173432 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 5138173432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5899340160).

5138173432 is an abundant number, since it is smaller than the sum of its proper divisors (6660506888).

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

5138173432 is a wasteful number, since it uses less digits than its factorization.

5138173432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65140 (or 65136 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 5138173432 is about 71681.0535078831. The cubic root of 5138173432 is about 1725.5845873593.

The spelling of 5138173432 in words is "five billion, one hundred thirty-eight million, one hundred seventy-three thousand, four hundred thirty-two".