3138508552 has 8 divisors (see below), whose sum is σ = 5884703550. Its totient is φ = 1569254272.

The previous prime is 3138508531. The next prime is 3138508561. The reversal of 3138508552 is 2558058313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2449656036 + 688852516 = 49494^2 + 26246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196156777 + ... + 196156792.

Almost surely, 2^3138508552 is an apocalyptic number.

It is an amenable number.

3138508552 is a deficient number, since it is larger than the sum of its proper divisors (2746194998).

3138508552 is a wasteful number, since it uses less digits than its factorization.

3138508552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392313575 (or 392313571 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 3138508552 is about 56022.3933083905. The cubic root of 3138508552 is about 1464.1124673470.

The spelling of 3138508552 in words is "three billion, one hundred thirty-eight million, five hundred eight thousand, five hundred fifty-two".