1380334829 has 4 divisors (see below), whose sum is σ = 1382752800. Its totient is φ = 1377916860.

The previous prime is 1380334807. The next prime is 1380334867. The reversal of 1380334829 is 9284330831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1380334829 - 2⁸ = 1380334573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380334229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208129 + ... + 1209270.

It is an arithmetic number, because the mean of its divisors is an integer number (345688200).

Almost surely, 2^1380334829 is an apocalyptic number.

It is an amenable number.

1380334829 is a deficient number, since it is larger than the sum of its proper divisors (2417971).

1380334829 is an equidigital number, since it uses as much as digits as its factorization.

1380334829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417970.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1380334829 is about 37152.8576155321. The cubic root of 1380334829 is about 1113.4263170593.

The spelling of 1380334829 in words is "one billion, three hundred eighty million, three hundred thirty-four thousand, eight hundred twenty-nine".