1335494161 has 2 divisors, whose sum is σ = 1335494162. Its totient is φ = 1335494160.

The previous prime is 1335494137. The next prime is 1335494207. The reversal of 1335494161 is 1614945331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216684161 + 118810000 = 34881^2 + 10900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335494161 - 2⁷ = 1335494033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1335494161.

It is not a weakly prime, because it can be changed into another prime (1335494561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667747080 + 667747081.

It is an arithmetic number, because the mean of its divisors is an integer number (667747081).

Almost surely, 2^1335494161 is an apocalyptic number.

It is an amenable number.

1335494161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335494161 is an equidigital number, since it uses as much as digits as its factorization.

1335494161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 1335494161 is about 36544.4135402390. The cubic root of 1335494161 is about 1101.2366700398.

The spelling of 1335494161 in words is "one billion, three hundred thirty-five million, four hundred ninety-four thousand, one hundred sixty-one".