366996139 has 2 divisors, whose sum is σ = 366996140. Its totient is φ = 366996138.

The previous prime is 366996137. The next prime is 366996151. The reversal of 366996139 is 931699663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 366996139 - 2¹ = 366996137 is a prime.

Together with 366996137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (366996137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183498069 + 183498070.

It is an arithmetic number, because the mean of its divisors is an integer number (183498070).

Almost surely, 2^366996139 is an apocalyptic number.

366996139 is a deficient number, since it is larger than the sum of its proper divisors (1).

366996139 is an equidigital number, since it uses as much as digits as its factorization.

366996139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1417176, while the sum is 52.

The square root of 366996139 is about 19157.1432891233. The cubic root of 366996139 is about 715.9573717378.

The spelling of 366996139 in words is "three hundred sixty-six million, nine hundred ninety-six thousand, one hundred thirty-nine".