6148139 has 2 divisors, whose sum is σ = 6148140. Its totient is φ = 6148138.

The previous prime is 6148127. The next prime is 6148141. The reversal of 6148139 is 9318416.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6148139 - 2⁴ = 6148123 is a prime.

It is a super-2 number, since 2×6148139² = 75599226326642, which contains 22 as substring.

Together with 6148141, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6147139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074069 + 3074070.

It is an arithmetic number, because the mean of its divisors is an integer number (3074070).

Almost surely, 2^6148139 is an apocalyptic number.

6148139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6148139 is an equidigital number, since it uses as much as digits as its factorization.

6148139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 6148139 is about 2479.5441113237. The cubic root of 6148139 is about 183.1953978078.

The spelling of 6148139 in words is "six million, one hundred forty-eight thousand, one hundred thirty-nine".