908138701 has 2 divisors, whose sum is σ = 908138702. Its totient is φ = 908138700.

The previous prime is 908138681. The next prime is 908138713. The reversal of 908138701 is 107831809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868775625 + 39363076 = 29475^2 + 6274^2 .

It is a cyclic number.

It is not a de Polignac number, because 908138701 - 2⁵ = 908138669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (908138731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454069350 + 454069351.

It is an arithmetic number, because the mean of its divisors is an integer number (454069351).

Almost surely, 2^908138701 is an apocalyptic number.

It is an amenable number.

908138701 is a deficient number, since it is larger than the sum of its proper divisors (1).

908138701 is an equidigital number, since it uses as much as digits as its factorization.

908138701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 908138701 is about 30135.3397359313. The cubic root of 908138701 is about 968.3909629700.

The spelling of 908138701 in words is "nine hundred eight million, one hundred thirty-eight thousand, seven hundred one".