1318890126 has 8 divisors (see below), whose sum is σ = 2637780264. Its totient is φ = 439630040.

The previous prime is 1318890121. The next prime is 1318890137. The reversal of 1318890126 is 6210988131.

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

1318890126 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318890121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109907505 + ... + 109907516.

It is an arithmetic number, because the mean of its divisors is an integer number (329722533).

Almost surely, 2^1318890126 is an apocalyptic number.

1318890126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1318890126 is a wasteful number, since it uses less digits than its factorization.

1318890126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219815026.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1318890126 is about 36316.5268989203. The cubic root of 1318890126 is about 1096.6537776017.

The spelling of 1318890126 in words is "one billion, three hundred eighteen million, eight hundred ninety thousand, one hundred twenty-six".