1135089681 has 8 divisors (see below), whose sum is σ = 1651039584. Its totient is φ = 687933120.

The previous prime is 1135089673. The next prime is 1135089743. The reversal of 1135089681 is 1869805311.

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

It is not a de Polignac number, because 1135089681 - 2³ = 1135089673 is a prime.

It is a super-2 number, since 2×1135089681² = 2576857167825363522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135089601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17198296 + ... + 17198361.

It is an arithmetic number, because the mean of its divisors is an integer number (206379948).

Almost surely, 2^1135089681 is an apocalyptic number.

1135089681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1135089681 is a deficient number, since it is larger than the sum of its proper divisors (515949903).

1135089681 is a wasteful number, since it uses less digits than its factorization.

1135089681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34396671.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 1135089681 is about 33691.0920125780. The cubic root of 1135089681 is about 1043.1419041886.

The spelling of 1135089681 in words is "one billion, one hundred thirty-five million, eighty-nine thousand, six hundred eighty-one".