1812137126 has 8 divisors (see below), whose sum is σ = 2762766624. Its totient is φ = 891214920.

The previous prime is 1812137101. The next prime is 1812137143. The reversal of 1812137126 is 6217312181.

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 = 1812137092 and 1812137101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7426670 + ... + 7426913.

It is an arithmetic number, because the mean of its divisors is an integer number (345345828).

Almost surely, 2^1812137126 is an apocalyptic number.

1812137126 is a deficient number, since it is larger than the sum of its proper divisors (950629498).

1812137126 is a wasteful number, since it uses less digits than its factorization.

1812137126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14853646.

The product of its digits is 4032, while the sum is 32.

The square root of 1812137126 is about 42569.2039624891. The cubic root of 1812137126 is about 1219.1683676597.

The spelling of 1812137126 in words is "one billion, eight hundred twelve million, one hundred thirty-seven thousand, one hundred twenty-six".