1135121394 has 32 divisors (see below), whose sum is σ = 2489488704. Its totient is φ = 342190080.

The previous prime is 1135121359. The next prime is 1135121401. The reversal of 1135121394 is 4931215311.

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, 31819 + ... + 57294.

It is an arithmetic number, because the mean of its divisors is an integer number (77796522).

Almost surely, 2^1135121394 is an apocalyptic number.

1135121394 is an abundant number, since it is smaller than the sum of its proper divisors (1354367310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135121394 is a wasteful number, since it uses less digits than its factorization.

1135121394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89322.

The product of its digits is 3240, while the sum is 30.

The square root of 1135121394 is about 33691.5626529848. The cubic root of 1135121394 is about 1043.1516187958.

The spelling of 1135121394 in words is "one billion, one hundred thirty-five million, one hundred twenty-one thousand, three hundred ninety-four".