163794131 has 2 divisors, whose sum is σ = 163794132. Its totient is φ = 163794130.

The previous prime is 163794053. The next prime is 163794143. The reversal of 163794131 is 131497361.

It is a happy number.

163794131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163794131 is a prime.

It is a super-2 number, since 2×163794131² = 53657034700090322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 163794091 and 163794100.

It is not a weakly prime, because it can be changed into another prime (163794331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81897065 + 81897066.

It is an arithmetic number, because the mean of its divisors is an integer number (81897066).

Almost surely, 2^163794131 is an apocalyptic number.

163794131 is a deficient number, since it is larger than the sum of its proper divisors (1).

163794131 is an equidigital number, since it uses as much as digits as its factorization.

163794131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 163794131 is about 12798.2081167638. The cubic root of 163794131 is about 547.1412337911.

The spelling of 163794131 in words is "one hundred sixty-three million, seven hundred ninety-four thousand, one hundred thirty-one".