1135791398 has 8 divisors (see below), whose sum is σ = 1947070992. Its totient is φ = 486767736.

The previous prime is 1135791383. The next prime is 1135791401. The reversal of 1135791398 is 8931975311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40563965 + ... + 40563992.

It is an arithmetic number, because the mean of its divisors is an integer number (243383874).

Almost surely, 2^1135791398 is an apocalyptic number.

1135791398 is a deficient number, since it is larger than the sum of its proper divisors (811279594).

1135791398 is an equidigital number, since it uses as much as digits as its factorization.

1135791398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81127966.

The product of its digits is 204120, while the sum is 47.

The square root of 1135791398 is about 33701.5043877866. The cubic root of 1135791398 is about 1043.3568180795.

The spelling of 1135791398 in words is "one billion, one hundred thirty-five million, seven hundred ninety-one thousand, three hundred ninety-eight".