1136180898 has 16 divisors (see below), whose sum is σ = 2524846560. Its totient is φ = 378726948.

The previous prime is 1136180893. The next prime is 1136180917. The reversal of 1136180898 is 8980816311.

It is not an unprimeable number, because it can be changed into a prime (1136180893) 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, 10520140 + ... + 10520247.

It is an arithmetic number, because the mean of its divisors is an integer number (157802910).

Almost surely, 2^1136180898 is an apocalyptic number.

1136180898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1136180898 is an abundant number, since it is smaller than the sum of its proper divisors (1388665662).

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

1136180898 is a wasteful number, since it uses less digits than its factorization.

1136180898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21040398 (or 21040392 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 1136180898 is about 33707.2825662349. The cubic root of 1136180898 is about 1043.4760715022.

The spelling of 1136180898 in words is "one billion, one hundred thirty-six million, one hundred eighty thousand, eight hundred ninety-eight".