910449139 has 2 divisors, whose sum is σ = 910449140. Its totient is φ = 910449138.

The previous prime is 910449107. The next prime is 910449143. The reversal of 910449139 is 931944019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 910449139 - 2⁵ = 910449107 is a prime.

It is not a weakly prime, because it can be changed into another prime (910449149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455224569 + 455224570.

It is an arithmetic number, because the mean of its divisors is an integer number (455224570).

Almost surely, 2^910449139 is an apocalyptic number.

910449139 is a deficient number, since it is larger than the sum of its proper divisors (1).

910449139 is an equidigital number, since it uses as much as digits as its factorization.

910449139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 910449139 is about 30173.6497460947. The cubic root of 910449139 is about 969.2115103613.

The spelling of 910449139 in words is "nine hundred ten million, four hundred forty-nine thousand, one hundred thirty-nine".