966139 has 2 divisors, whose sum is σ = 966140. Its totient is φ = 966138.

The previous prime is 966113. The next prime is 966149. The reversal of 966139 is 931669.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 966139 - 2⁷ = 966011 is a prime.

It is not a weakly prime, because it can be changed into another prime (966109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483069 + 483070.

It is an arithmetic number, because the mean of its divisors is an integer number (483070).

2⁹⁶⁶¹³⁹ is an apocalyptic number.

966139 is a deficient number, since it is larger than the sum of its proper divisors (1).

966139 is an equidigital number, since it uses as much as digits as its factorization.

966139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The square root of 966139 is about 982.9236999890. The cubic root of 966139 is about 98.8583151614.

The spelling of 966139 in words is "nine hundred sixty-six thousand, one hundred thirty-nine".