3138745467 has 32 divisors (see below), whose sum is σ = 4971939840. Its totient is φ = 1736190720.

The previous prime is 3138745453. The next prime is 3138745469. The reversal of 3138745467 is 7645478313.

It is not a de Polignac number, because 3138745467 - 2⁷ = 3138745339 is a prime.

It is a super-2 number, since 2×3138745467² = 19703446213226096178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3138745469) 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 31 ways as a sum of consecutive naturals, for example, 2923 + ... + 79284.

It is an arithmetic number, because the mean of its divisors is an integer number (155373120).

Almost surely, 2^3138745467 is an apocalyptic number.

3138745467 is a deficient number, since it is larger than the sum of its proper divisors (1833194373).

3138745467 is a wasteful number, since it uses less digits than its factorization.

3138745467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82323.

The product of its digits is 1693440, while the sum is 48.

The square root of 3138745467 is about 56024.5077354545. The cubic root of 3138745467 is about 1464.1493066579.

The spelling of 3138745467 in words is "three billion, one hundred thirty-eight million, seven hundred forty-five thousand, four hundred sixty-seven".