5185138670 has 16 divisors (see below), whose sum is σ = 9344604960. Its totient is φ = 2071532064.

The previous prime is 5185138661. The next prime is 5185138727. The reversal of 5185138670 is 768315815.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306785 + ... + 323244.

It is an arithmetic number, because the mean of its divisors is an integer number (584037810).

Almost surely, 2^5185138670 is an apocalyptic number.

5185138670 is a deficient number, since it is larger than the sum of its proper divisors (4159466290).

5185138670 is a wasteful number, since it uses less digits than its factorization.

5185138670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630859.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 5185138670 is about 72007.9069963848. The cubic root of 5185138670 is about 1730.8261916291.

The spelling of 5185138670 in words is "five billion, one hundred eighty-five million, one hundred thirty-eight thousand, six hundred seventy".