1133213405 has 16 divisors (see below), whose sum is σ = 1389201840. Its totient is φ = 887098368.

The previous prime is 1133213369. The next prime is 1133213407. The reversal of 1133213405 is 5043123311.

It can be written as a sum of positive squares in 8 ways, for example, as 85137529 + 1048075876 = 9227^2 + 32374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133213405 - 2²⁶ = 1066104541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133213407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97589 + ... + 108581.

It is an arithmetic number, because the mean of its divisors is an integer number (86825115).

Almost surely, 2^1133213405 is an apocalyptic number.

It is an amenable number.

1133213405 is a deficient number, since it is larger than the sum of its proper divisors (255988435).

1133213405 is a wasteful number, since it uses less digits than its factorization.

1133213405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1133213405 is about 33663.2352129144. The cubic root of 1133213405 is about 1042.5668243639.

Adding to 1133213405 its reverse (5043123311), we get a palindrome (6176336716).

The spelling of 1133213405 in words is "one billion, one hundred thirty-three million, two hundred thirteen thousand, four hundred five".