1381106529 has 12 divisors (see below), whose sum is σ = 2176289232. Its totient is φ = 837034200.

The previous prime is 1381106509. The next prime is 1381106579. The reversal of 1381106529 is 9256011831.

1381106529 is a `hidden beast` number, since 13 + 8 + 110 + 6 + 529 = 666.

It is not a de Polignac number, because 1381106529 - 2¹¹ = 1381104481 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1381106493 and 1381106502.

It is not an unprimeable number, because it can be changed into a prime (1381106509) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6975187 + ... + 6975384.

It is an arithmetic number, because the mean of its divisors is an integer number (181357436).

Almost surely, 2^1381106529 is an apocalyptic number.

It is an amenable number.

1381106529 is a deficient number, since it is larger than the sum of its proper divisors (795182703).

1381106529 is a wasteful number, since it uses less digits than its factorization.

1381106529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950588 (or 13950585 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1381106529 is about 37163.2416374029. The cubic root of 1381106529 is about 1113.6337718010.

The spelling of 1381106529 in words is "one billion, three hundred eighty-one million, one hundred six thousand, five hundred twenty-nine".