1135442979 has 24 divisors (see below), whose sum is σ = 1794544752. Its totient is φ = 686085120.

The previous prime is 1135442977. The next prime is 1135442981. The reversal of 1135442979 is 9792445311.

1135442979 is a `hidden beast` number, since 1 + 1 + 354 + 4 + 297 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1135442977) and next prime (1135442981).

It is not a de Polignac number, because 1135442979 - 2¹ = 1135442977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135442977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16347 + ... + 50379.

It is an arithmetic number, because the mean of its divisors is an integer number (74772698).

Almost surely, 2^1135442979 is an apocalyptic number.

1135442979 is a deficient number, since it is larger than the sum of its proper divisors (659101773).

1135442979 is a wasteful number, since it uses less digits than its factorization.

1135442979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34387 (or 34384 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1135442979 is about 33696.3348006872. The cubic root of 1135442979 is about 1043.2501193441.

The spelling of 1135442979 in words is "one billion, one hundred thirty-five million, four hundred forty-two thousand, nine hundred seventy-nine".