1383690129 has 16 divisors (see below), whose sum is σ = 1955446272. Its totient is φ = 867308288.

The previous prime is 1383690109. The next prime is 1383690131. The reversal of 1383690129 is 9210963831.

It is a cyclic number.

It is not a de Polignac number, because 1383690129 - 2⁹ = 1383689617 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1383690109) 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 15 ways as a sum of consecutive naturals, for example, 38272 + ... + 65054.

It is an arithmetic number, because the mean of its divisors is an integer number (122215392).

Almost surely, 2^1383690129 is an apocalyptic number.

It is an amenable number.

1383690129 is a deficient number, since it is larger than the sum of its proper divisors (571756143).

1383690129 is a wasteful number, since it uses less digits than its factorization.

1383690129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27816.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1383690129 is about 37197.9855502956. The cubic root of 1383690129 is about 1114.3277544696.

The spelling of 1383690129 in words is "one billion, three hundred eighty-three million, six hundred ninety thousand, one hundred twenty-nine".