1333138 has 8 divisors (see below), whose sum is σ = 2011788. Its totient is φ = 662544.

The previous prime is 1333133. The next prime is 1333139. The reversal of 1333138 is 8313331.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 405769 = 963^2 + 637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1333133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581 + ... + 2272.

2^1333138 is an apocalyptic number.

1333138 is a deficient number, since it is larger than the sum of its proper divisors (678650).

1333138 is a wasteful number, since it uses less digits than its factorization.

1333138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028.

The product of its digits is 648, while the sum is 22.

The square root of 1333138 is about 1154.6159534668. The cubic root of 1333138 is about 110.0588665635.

Adding to 1333138 its reverse (8313331), we get a palindrome (9646469).

The spelling of 1333138 in words is "one million, three hundred thirty-three thousand, one hundred thirty-eight".