7139508127 has 2 divisors, whose sum is σ = 7139508128. Its totient is φ = 7139508126.

The previous prime is 7139508119. The next prime is 7139508133. The reversal of 7139508127 is 7218059317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7139508127 - 2³ = 7139508119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7139508107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569754063 + 3569754064.

It is an arithmetic number, because the mean of its divisors is an integer number (3569754064).

Almost surely, 2^7139508127 is an apocalyptic number.

7139508127 is a deficient number, since it is larger than the sum of its proper divisors (1).

7139508127 is an equidigital number, since it uses as much as digits as its factorization.

7139508127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 7139508127 is about 84495.6101049043. The cubic root of 7139508127 is about 1925.5557513388. Note that the first 3 decimals are identical.

The spelling of 7139508127 in words is "seven billion, one hundred thirty-nine million, five hundred eight thousand, one hundred twenty-seven".