3138542783 has 4 divisors (see below), whose sum is σ = 3152248440. Its totient is φ = 3124837128.

The previous prime is 3138542779. The next prime is 3138542789. The reversal of 3138542783 is 3872458313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3872458313 = 211 ⋅18352883.

It is a cyclic number.

It is not a de Polignac number, because 3138542783 - 2² = 3138542779 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 (3138542789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852485 + ... + 6852942.

It is an arithmetic number, because the mean of its divisors is an integer number (788062110).

Almost surely, 2^3138542783 is an apocalyptic number.

3138542783 is a deficient number, since it is larger than the sum of its proper divisors (13705657).

3138542783 is a wasteful number, since it uses less digits than its factorization.

3138542783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705656.

The product of its digits is 483840, while the sum is 44.

The square root of 3138542783 is about 56022.6988193179. The cubic root of 3138542783 is about 1464.1177902417.

The spelling of 3138542783 in words is "three billion, one hundred thirty-eight million, five hundred forty-two thousand, seven hundred eighty-three".