1349340216 has 32 divisors (see below), whose sum is σ = 3855258240. Its totient is φ = 385525728.

The previous prime is 1349340203. The next prime is 1349340253. The reversal of 1349340216 is 6120439431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015726 + ... + 4016061.

It is an arithmetic number, because the mean of its divisors is an integer number (120476820).

Almost surely, 2^1349340216 is an apocalyptic number.

It is an amenable number.

1349340216 is an abundant number, since it is smaller than the sum of its proper divisors (2505918024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349340216 is a wasteful number, since it uses less digits than its factorization.

1349340216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031803 (or 8031799 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1349340216 is about 36733.3665214611. The cubic root of 1349340216 is about 1105.0293709903.

Adding to 1349340216 its reverse (6120439431), we get a palindrome (7469779647).

The spelling of 1349340216 in words is "one billion, three hundred forty-nine million, three hundred forty thousand, two hundred sixteen".