3138587389 has 16 divisors (see below), whose sum is σ = 3617366400. Its totient is φ = 2667458304.

The previous prime is 3138587369. The next prime is 3138587399. The reversal of 3138587389 is 9837858313.

It is not a de Polignac number, because 3138587389 - 2⁷ = 3138587261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138587369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234882 + ... + 1237420.

It is an arithmetic number, because the mean of its divisors is an integer number (226085400).

Almost surely, 2^3138587389 is an apocalyptic number.

It is an amenable number.

3138587389 is a deficient number, since it is larger than the sum of its proper divisors (478779011).

3138587389 is a wasteful number, since it uses less digits than its factorization.

3138587389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its digits is 4354560, while the sum is 55.

The square root of 3138587389 is about 56023.0969243936. The cubic root of 3138587389 is about 1464.1247263830.

The spelling of 3138587389 in words is "three billion, one hundred thirty-eight million, five hundred eighty-seven thousand, three hundred eighty-nine".