1826149138 has 8 divisors (see below), whose sum is σ = 2988244080. Its totient is φ = 830067780.

The previous prime is 1826149123. The next prime is 1826149141. The reversal of 1826149138 is 8319416281.

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

It is a junction number, because it is equal to n+sod(n) for n = 1826149094 and 1826149103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41503368 + ... + 41503411.

It is an arithmetic number, because the mean of its divisors is an integer number (373530510).

Almost surely, 2^1826149138 is an apocalyptic number.

1826149138 is a deficient number, since it is larger than the sum of its proper divisors (1162094942).

1826149138 is a wasteful number, since it uses less digits than its factorization.

1826149138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83006792.

The product of its digits is 82944, while the sum is 43.

The square root of 1826149138 is about 42733.4662530434. The cubic root of 1826149138 is about 1222.3026337061.

The spelling of 1826149138 in words is "one billion, eight hundred twenty-six million, one hundred forty-nine thousand, one hundred thirty-eight".