7138751 has 2 divisors, whose sum is σ = 7138752. Its totient is φ = 7138750.

The previous prime is 7138741. The next prime is 7138753. The reversal of 7138751 is 1578317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7138751 - 2¹⁸ = 6876607 is a prime.

Together with 7138753, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₈₅₄₄₇ and since 7138751 and 485447 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7138753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569375 + 3569376.

It is an arithmetic number, because the mean of its divisors is an integer number (3569376).

Almost surely, 2^7138751 is an apocalyptic number.

7138751 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138751 is an equidigital number, since it uses as much as digits as its factorization.

7138751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 32.

The square root of 7138751 is about 2671.8441197046. The cubic root of 7138751 is about 192.5487682140.

The spelling of 7138751 in words is "seven million, one hundred thirty-eight thousand, seven hundred fifty-one".