1075638131 has 2 divisors, whose sum is σ = 1075638132. Its totient is φ = 1075638130.

The previous prime is 1075638107. The next prime is 1075638139. The reversal of 1075638131 is 1318365701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1075638131 is a prime.

It is a super-2 number, since 2×1075638131² = 2313994777722346322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1075638091 and 1075638100.

It is not a weakly prime, because it can be changed into another prime (1075638139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537819065 + 537819066.

It is an arithmetic number, because the mean of its divisors is an integer number (537819066).

Almost surely, 2^1075638131 is an apocalyptic number.

1075638131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075638131 is an equidigital number, since it uses as much as digits as its factorization.

1075638131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1075638131 is about 32796.9225842913. The cubic root of 1075638131 is about 1024.6024652337.

The spelling of 1075638131 in words is "one billion, seventy-five million, six hundred thirty-eight thousand, one hundred thirty-one".