988395137 has 2 divisors, whose sum is σ = 988395138. Its totient is φ = 988395136.

The previous prime is 988395073. The next prime is 988395157. The reversal of 988395137 is 731593889.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985708816 + 2686321 = 31396^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 988395137 - 2⁶ = 988395073 is a prime.

It is not a weakly prime, because it can be changed into another prime (988395157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494197568 + 494197569.

It is an arithmetic number, because the mean of its divisors is an integer number (494197569).

Almost surely, 2^988395137 is an apocalyptic number.

It is an amenable number.

988395137 is a deficient number, since it is larger than the sum of its proper divisors (1).

988395137 is an equidigital number, since it uses as much as digits as its factorization.

988395137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 988395137 is about 31438.7521539898. The cubic root of 988395137 is about 996.1166514582.

The spelling of 988395137 in words is "nine hundred eighty-eight million, three hundred ninety-five thousand, one hundred thirty-seven".