5109678146 has 16 divisors (see below), whose sum is σ = 7793505720. Its totient is φ = 2512160640.

The previous prime is 5109678139. The next prime is 5109678149. The reversal of 5109678146 is 6418769015.

It can be written as a sum of positive squares in 4 ways, for example, as 463756225 + 4645921921 = 21535^2 + 68161^2 .

It is a super-2 number, since 2×5109678146² = 52217621511419994632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5109678146.

It is not an unprimeable number, because it can be changed into a prime (5109678149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47081 + ... + 111516.

Almost surely, 2^5109678146 is an apocalyptic number.

5109678146 is a deficient number, since it is larger than the sum of its proper divisors (2683827574).

5109678146 is a wasteful number, since it uses less digits than its factorization.

5109678146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158869.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 5109678146 is about 71482.0127444660. The cubic root of 5109678146 is about 1722.3887561525.

The spelling of 5109678146 in words is "five billion, one hundred nine million, six hundred seventy-eight thousand, one hundred forty-six".