3138500727 has 24 divisors (see below), whose sum is σ = 4798794000. Its totient is φ = 1973196288.

The previous prime is 3138500711. The next prime is 3138500749. The reversal of 3138500727 is 7270058313.

It is not a de Polignac number, because 3138500727 - 2⁴ = 3138500711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3138500691 and 3138500700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138500927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128602 + ... + 151047.

It is an arithmetic number, because the mean of its divisors is an integer number (199949750).

Almost surely, 2^3138500727 is an apocalyptic number.

3138500727 is a deficient number, since it is larger than the sum of its proper divisors (1660293273).

3138500727 is a wasteful number, since it uses less digits than its factorization.

3138500727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279727 (or 279724 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 3138500727 is about 56022.3234702025. The cubic root of 3138500727 is about 1464.1112505599. Note that the first 3 decimals are identical.

The spelling of 3138500727 in words is "three billion, one hundred thirty-eight million, five hundred thousand, seven hundred twenty-seven".