1335538 has 4 divisors (see below), whose sum is σ = 2003310. Its totient is φ = 667768.

The previous prime is 1335533. The next prime is 1335557. The reversal of 1335538 is 8355331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1014049 + 321489 = 1007^2 + 567^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1335533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333883 + ... + 333886.

2^1335538 is an apocalyptic number.

1335538 is a deficient number, since it is larger than the sum of its proper divisors (667772).

1335538 is an equidigital number, since it uses as much as digits as its factorization.

1335538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667771.

The product of its digits is 5400, while the sum is 28.

The square root of 1335538 is about 1155.6547927474. The cubic root of 1335538 is about 110.1248719658.

It can be divided in two parts, 133 and 5538, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 1335538 in words is "one million, three hundred thirty-five thousand, five hundred thirty-eight".