938136671 has 2 divisors, whose sum is σ = 938136672. Its totient is φ = 938136670.

The previous prime is 938136643. The next prime is 938136677. The reversal of 938136671 is 176631839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938136671 - 2⁶ = 938136607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938136677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469068335 + 469068336.

It is an arithmetic number, because the mean of its divisors is an integer number (469068336).

Almost surely, 2^938136671 is an apocalyptic number.

938136671 is a deficient number, since it is larger than the sum of its proper divisors (1).

938136671 is an equidigital number, since it uses as much as digits as its factorization.

938136671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 938136671 is about 30629.0168141258. The cubic root of 938136671 is about 978.9384141749.

The spelling of 938136671 in words is "nine hundred thirty-eight million, one hundred thirty-six thousand, six hundred seventy-one".