1382780156 has 12 divisors (see below), whose sum is σ = 2432026800. Its totient is φ = 687915360.

The previous prime is 1382780131. The next prime is 1382780159. The reversal of 1382780156 is 6510872831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382780159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867785 + ... + 869376.

It is an arithmetic number, because the mean of its divisors is an integer number (202668900).

Almost surely, 2^1382780156 is an apocalyptic number.

It is an amenable number.

1382780156 is a deficient number, since it is larger than the sum of its proper divisors (1049246644).

1382780156 is a wasteful number, since it uses less digits than its factorization.

1382780156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737364 (or 1737362 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1382780156 is about 37185.7520563992. The cubic root of 1382780156 is about 1114.0834245881.

The spelling of 1382780156 in words is "one billion, three hundred eighty-two million, seven hundred eighty thousand, one hundred fifty-six".