6138131 has 2 divisors, whose sum is σ = 6138132. Its totient is φ = 6138130.

The previous prime is 6138127. The next prime is 6138149. The reversal of 6138131 is 1318316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6138131 - 2² = 6138127 is a prime.

It is a super-2 number, since 2×6138131² = 75353304346322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6138097 and 6138106.

It is not a weakly prime, because it can be changed into another prime (6138161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069065 + 3069066.

It is an arithmetic number, because the mean of its divisors is an integer number (3069066).

Almost surely, 2^6138131 is an apocalyptic number.

6138131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138131 is an equidigital number, since it uses as much as digits as its factorization.

6138131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 6138131 is about 2477.5251764614. The cubic root of 6138131 is about 183.0959414107.

The spelling of 6138131 in words is "six million, one hundred thirty-eight thousand, one hundred thirty-one".