1133621369 has 4 divisors (see below), whose sum is σ = 1134226560. Its totient is φ = 1133016180.

The previous prime is 1133621351. The next prime is 1133621389. The reversal of 1133621369 is 9631263311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1133621369 - 2¹⁶ = 1133555833 is a prime.

It is a super-2 number, since 2×1133621369² = 2570194816506868322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133621389) 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, 299777 + ... + 303534.

It is an arithmetic number, because the mean of its divisors is an integer number (283556640).

Almost surely, 2^1133621369 is an apocalyptic number.

It is an amenable number.

1133621369 is a deficient number, since it is larger than the sum of its proper divisors (605191).

1133621369 is an equidigital number, since it uses as much as digits as its factorization.

1133621369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605190.

The product of its digits is 17496, while the sum is 35.

The square root of 1133621369 is about 33669.2941565457. The cubic root of 1133621369 is about 1042.6919195724.

The spelling of 1133621369 in words is "one billion, one hundred thirty-three million, six hundred twenty-one thousand, three hundred sixty-nine".