1333113409 has 4 divisors (see below), whose sum is σ = 1333236100. Its totient is φ = 1332990720.

The previous prime is 1333113407. The next prime is 1333113421. The reversal of 1333113409 is 9043113331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 761760000 + 571353409 = 27600^2 + 23903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333113409 - 2¹ = 1333113407 is a prime.

It is a super-2 number, since 2×1333113409² = 3554382722511202562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333113407) 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, 43272 + ... + 67369.

It is an arithmetic number, because the mean of its divisors is an integer number (333309025).

Almost surely, 2^1333113409 is an apocalyptic number.

It is an amenable number.

1333113409 is a deficient number, since it is larger than the sum of its proper divisors (122691).

1333113409 is a wasteful number, since it uses less digits than its factorization.

1333113409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122690.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1333113409 is about 36511.8256048640. The cubic root of 1333113409 is about 1100.5818984583.

The spelling of 1333113409 in words is "one billion, three hundred thirty-three million, one hundred thirteen thousand, four hundred nine".