5139662178 has 16 divisors (see below), whose sum is σ = 11747799360. Its totient is φ = 1468474896.

The previous prime is 5139662167. The next prime is 5139662183. The reversal of 5139662178 is 8712669315.

It is a super-2 number, since 2×5139662178² = 52832254607927407368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61186413 + ... + 61186496.

It is an arithmetic number, because the mean of its divisors is an integer number (734237460).

Almost surely, 2^5139662178 is an apocalyptic number.

5139662178 is an abundant number, since it is smaller than the sum of its proper divisors (6608137182).

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

5139662178 is a wasteful number, since it uses less digits than its factorization.

5139662178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122372921.

The product of its digits is 544320, while the sum is 48.

The square root of 5139662178 is about 71691.4372711274. The cubic root of 5139662178 is about 1725.7512295273.

The spelling of 5139662178 in words is "five billion, one hundred thirty-nine million, six hundred sixty-two thousand, one hundred seventy-eight".