538135967 has 2 divisors, whose sum is σ = 538135968. Its totient is φ = 538135966.

The previous prime is 538135937. The next prime is 538136033. The reversal of 538135967 is 769531835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538135967 - 2⁸ = 538135711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538135907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269067983 + 269067984.

It is an arithmetic number, because the mean of its divisors is an integer number (269067984).

Almost surely, 2^538135967 is an apocalyptic number.

538135967 is a deficient number, since it is larger than the sum of its proper divisors (1).

538135967 is an equidigital number, since it uses as much as digits as its factorization.

538135967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 47.

The square root of 538135967 is about 23197.7578011324. The cubic root of 538135967 is about 813.3872114305.

The spelling of 538135967 in words is "five hundred thirty-eight million, one hundred thirty-five thousand, nine hundred sixty-seven".