1133966438 has 32 divisors (see below), whose sum is σ = 1908264960. Its totient is φ = 500904000.

The previous prime is 1133966389. The next prime is 1133966441. The reversal of 1133966438 is 8346693311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242123 + ... + 246761.

It is an arithmetic number, because the mean of its divisors is an integer number (59633280).

Almost surely, 2^1133966438 is an apocalyptic number.

1133966438 is a deficient number, since it is larger than the sum of its proper divisors (774298522).

1133966438 is a wasteful number, since it uses less digits than its factorization.

1133966438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964.

The product of its digits is 279936, while the sum is 44.

The square root of 1133966438 is about 33674.4181538449. The cubic root of 1133966438 is about 1042.7977056743.

It can be divided in two parts, 11339 and 66438, that added together give a palindrome (77777).

The spelling of 1133966438 in words is "one billion, one hundred thirty-three million, nine hundred sixty-six thousand, four hundred thirty-eight".