3138065749 has 16 divisors (see below), whose sum is σ = 3956440320. Its totient is φ = 2422304640.

The previous prime is 3138065747. The next prime is 3138065753. The reversal of 3138065749 is 9475608313.

3138065749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3138065749 - 2¹ = 3138065747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3138065699 and 3138065708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138065741) 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, 416809 + ... + 424270.

It is an arithmetic number, because the mean of its divisors is an integer number (247277520).

Almost surely, 2^3138065749 is an apocalyptic number.

It is an amenable number.

3138065749 is a deficient number, since it is larger than the sum of its proper divisors (818374571).

3138065749 is a wasteful number, since it uses less digits than its factorization.

3138065749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841140.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 3138065749 is about 56018.4411511067. The cubic root of 3138065749 is about 1464.0436083253.

The spelling of 3138065749 in words is "three billion, one hundred thirty-eight million, sixty-five thousand, seven hundred forty-nine".