1370729329 has 4 divisors (see below), whose sum is σ = 1451360484. Its totient is φ = 1290098176.

The previous prime is 1370729309. The next prime is 1370729333. The reversal of 1370729329 is 9239270731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1237280625 + 133448704 = 35175^2 + 11552^2 .

It is not a de Polignac number, because 1370729329 - 2⁹ = 1370728817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370729309) 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 3 ways as a sum of consecutive naturals, for example, 40315552 + ... + 40315585.

It is an arithmetic number, because the mean of its divisors is an integer number (362840121).

Almost surely, 2^1370729329 is an apocalyptic number.

It is an amenable number.

1370729329 is a deficient number, since it is larger than the sum of its proper divisors (80631155).

1370729329 is an equidigital number, since it uses as much as digits as its factorization.

1370729329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80631154.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 1370729329 is about 37023.3619354051. The cubic root of 1370729329 is about 1110.8375922450.

The spelling of 1370729329 in words is "one billion, three hundred seventy million, seven hundred twenty-nine thousand, three hundred twenty-nine".