1799117136 has 80 divisors (see below), whose sum is σ = 5274067200. Its totient is φ = 586939392.

The previous prime is 1799117129. The next prime is 1799117207. The reversal of 1799117136 is 6317119971.

It is a junction number, because it is equal to n+sod(n) for n = 1799117091 and 1799117100.

It is a congruent number.

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, 24001 + ... + 64608.

It is an arithmetic number, because the mean of its divisors is an integer number (65925840).

Almost surely, 2^1799117136 is an apocalyptic number.

1799117136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1799117136 is an abundant number, since it is smaller than the sum of its proper divisors (3474950064).

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

1799117136 is a wasteful number, since it uses less digits than its factorization.

1799117136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88673 (or 88661 counting only the distinct ones).

The product of its digits is 71442, while the sum is 45.

The square root of 1799117136 is about 42416.0009430404. Note that the first 3 decimals coincide. The cubic root of 1799117136 is about 1216.2414866946.

The spelling of 1799117136 in words is "one billion, seven hundred ninety-nine million, one hundred seventeen thousand, one hundred thirty-six".