1381056116 has 24 divisors (see below), whose sum is σ = 2775329760. Its totient is φ = 594712800.

The previous prime is 1381056113. The next prime is 1381056133. The reversal of 1381056116 is 6116501831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381056113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825155 + ... + 826826.

It is an arithmetic number, because the mean of its divisors is an integer number (115638740).

Almost surely, 2^1381056116 is an apocalyptic number.

It is an amenable number.

1381056116 is an abundant number, since it is smaller than the sum of its proper divisors (1394273644).

1381056116 is a wasteful number, since it uses less digits than its factorization.

1381056116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652015 (or 1652013 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1381056116 is about 37162.5633669154. The cubic root of 1381056116 is about 1113.6202217232.

Adding to 1381056116 its reverse (6116501831), we get a palindrome (7497557947).

The spelling of 1381056116 in words is "one billion, three hundred eighty-one million, fifty-six thousand, one hundred sixteen".