7138867 has 2 divisors, whose sum is σ = 7138868. Its totient is φ = 7138866.

The previous prime is 7138853. The next prime is 7138883. The reversal of 7138867 is 7688317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7138867 - 2¹⁹ = 6614579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7138367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569433 + 3569434.

It is an arithmetic number, because the mean of its divisors is an integer number (3569434).

Almost surely, 2^7138867 is an apocalyptic number.

7138867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138867 is an equidigital number, since it uses as much as digits as its factorization.

7138867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 7138867 is about 2671.8658274696. The cubic root of 7138867 is about 192.5498111386.

The spelling of 7138867 in words is "seven million, one hundred thirty-eight thousand, eight hundred sixty-seven".