1381126485 has 16 divisors (see below), whose sum is σ = 2231259264. Its totient is φ = 729448512.

The previous prime is 1381126469. The next prime is 1381126499. The reversal of 1381126485 is 5846211831.

It is not a de Polignac number, because 1381126485 - 2⁴ = 1381126469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445422 + ... + 448511.

It is an arithmetic number, because the mean of its divisors is an integer number (139453704).

Almost surely, 2^1381126485 is an apocalyptic number.

1381126485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1381126485 is a deficient number, since it is larger than the sum of its proper divisors (850132779).

1381126485 is a wasteful number, since it uses less digits than its factorization.

1381126485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894044.

The product of its digits is 46080, while the sum is 39.

The square root of 1381126485 is about 37163.5101275431. The cubic root of 1381126485 is about 1113.6391355119.

The spelling of 1381126485 in words is "one billion, three hundred eighty-one million, one hundred twenty-six thousand, four hundred eighty-five".