1396005169 has 8 divisors (see below), whose sum is σ = 1504658792. Its totient is φ = 1287532800.

The previous prime is 1396005157. The next prime is 1396005173. The reversal of 1396005169 is 9615006931.

It can be written as a sum of positive squares in 4 ways, for example, as 56445169 + 1339560000 = 7513^2 + 36600^2 .

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 1396005169 - 2¹³ = 1395996977 is a prime.

It is a super-2 number, since 2×1396005169² = 3897660863749437122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1396002169) 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, 29094 + ... + 60319.

It is an arithmetic number, because the mean of its divisors is an integer number (188082349).

Almost surely, 2^1396005169 is an apocalyptic number.

It is an amenable number.

1396005169 is a deficient number, since it is larger than the sum of its proper divisors (108653623).

1396005169 is a wasteful number, since it uses less digits than its factorization.

1396005169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90627.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 1396005169 is about 37363.1525570314. The cubic root of 1396005169 is about 1117.6238871573.

The spelling of 1396005169 in words is "one billion, three hundred ninety-six million, five thousand, one hundred sixty-nine".