1133938479 has 12 divisors (see below), whose sum is σ = 1580513816. Its totient is φ = 723090192.

The previous prime is 1133938469. The next prime is 1133938511. The reversal of 1133938479 is 9748393311.

It is a happy number.

1133938479 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1133938479 - 2¹⁵ = 1133905711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133938459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355672 + ... + 358845.

Almost surely, 2^1133938479 is an apocalyptic number.

1133938479 is a deficient number, since it is larger than the sum of its proper divisors (446575337).

1133938479 is an equidigital number, since it uses as much as digits as its factorization.

1133938479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714566 (or 714543 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 1133938479 is about 33674.0030141948. The cubic root of 1133938479 is about 1042.7891352206.

The spelling of 1133938479 in words is "one billion, one hundred thirty-three million, nine hundred thirty-eight thousand, four hundred seventy-nine".