1135261798 has 8 divisors (see below), whose sum is σ = 1857701160. Its totient is φ = 516028080.

The previous prime is 1135261793. The next prime is 1135261801. The reversal of 1135261798 is 8971625311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135261793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25801383 + ... + 25801426.

It is an arithmetic number, because the mean of its divisors is an integer number (232212645).

Almost surely, 2^1135261798 is an apocalyptic number.

1135261798 is a deficient number, since it is larger than the sum of its proper divisors (722439362).

1135261798 is a wasteful number, since it uses less digits than its factorization.

1135261798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51602822.

The product of its digits is 90720, while the sum is 43.

The square root of 1135261798 is about 33693.6462556370. The cubic root of 1135261798 is about 1043.1946264196.

The spelling of 1135261798 in words is "one billion, one hundred thirty-five million, two hundred sixty-one thousand, seven hundred ninety-eight".