1380083729 has 8 divisors (see below), whose sum is σ = 1401499008. Its totient is φ = 1358723520.

The previous prime is 1380083717. The next prime is 1380083741. The reversal of 1380083729 is 9273800831.

It is an interprime number because it is at equal distance from previous prime (1380083717) and next prime (1380083741).

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 1380083729 - 2¹² = 1380079633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380083779) 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, 38249 + ... + 64985.

It is an arithmetic number, because the mean of its divisors is an integer number (175187376).

Almost surely, 2^1380083729 is an apocalyptic number.

It is an amenable number.

1380083729 is a deficient number, since it is larger than the sum of its proper divisors (21415279).

1380083729 is an equidigital number, since it uses as much as digits as its factorization.

1380083729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27535.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1380083729 is about 37149.4781793769. The cubic root of 1380083729 is about 1113.3587976196.

The spelling of 1380083729 in words is "one billion, three hundred eighty million, eighty-three thousand, seven hundred twenty-nine".