1396505339 has 8 divisors (see below), whose sum is σ = 1480584000. Its totient is φ = 1313484552.

The previous prime is 1396505323. The next prime is 1396505371. The reversal of 1396505339 is 9335056931.

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 1396505339 - 2⁴ = 1396505323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1396505339.

It is not an unprimeable number, because it can be changed into a prime (1396505309) 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, 261749 + ... + 267030.

It is an arithmetic number, because the mean of its divisors is an integer number (185073000).

Almost surely, 2^1396505339 is an apocalyptic number.

1396505339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1396505339 is a deficient number, since it is larger than the sum of its proper divisors (84078661).

1396505339 is a wasteful number, since it uses less digits than its factorization.

1396505339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528937.

The product of its (nonzero) digits is 328050, while the sum is 44.

The square root of 1396505339 is about 37369.8453167791. The cubic root of 1396505339 is about 1117.7573477882.

The spelling of 1396505339 in words is "one billion, three hundred ninety-six million, five hundred five thousand, three hundred thirty-nine".