1380129069 has 8 divisors (see below), whose sum is σ = 2007460512. Its totient is φ = 836441840.

The previous prime is 1380129061. The next prime is 1380129097. The reversal of 1380129069 is 9609210831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380129069 - 2³ = 1380129061 is a prime.

It is a super-2 number, since 2×1380129069² = 3809512494197613522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380129061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20911014 + ... + 20911079.

It is an arithmetic number, because the mean of its divisors is an integer number (250932564).

Almost surely, 2^1380129069 is an apocalyptic number.

It is an amenable number.

1380129069 is a deficient number, since it is larger than the sum of its proper divisors (627331443).

1380129069 is a wasteful number, since it uses less digits than its factorization.

1380129069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41822107.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1380129069 is about 37150.0884117387. The cubic root of 1380129069 is about 1113.3709899076.

The spelling of 1380129069 in words is "one billion, three hundred eighty million, one hundred twenty-nine thousand, sixty-nine".