1843052138 has 16 divisors (see below), whose sum is σ = 2861460000. Its totient is φ = 889266672.

The previous prime is 1843052129. The next prime is 1843052143. The reversal of 1843052138 is 8312503481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1843052098 and 1843052107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114173 + ... + 129311.

It is an arithmetic number, because the mean of its divisors is an integer number (178841250).

Almost surely, 2^1843052138 is an apocalyptic number.

1843052138 is a deficient number, since it is larger than the sum of its proper divisors (1018407862).

1843052138 is a wasteful number, since it uses less digits than its factorization.

1843052138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17269.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1843052138 is about 42930.7831049004. The cubic root of 1843052138 is about 1226.0623050602.

The spelling of 1843052138 in words is "one billion, eight hundred forty-three million, fifty-two thousand, one hundred thirty-eight".