1349906418 has 32 divisors (see below), whose sum is σ = 3428334720. Its totient is φ = 385687440.

The previous prime is 1349906407. The next prime is 1349906431. The reversal of 1349906418 is 8146099431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785213 + ... + 1785968.

It is an arithmetic number, because the mean of its divisors is an integer number (107135460).

Almost surely, 2^1349906418 is an apocalyptic number.

1349906418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1349906418 is an abundant number, since it is smaller than the sum of its proper divisors (2078428302).

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

1349906418 is a wasteful number, since it uses less digits than its factorization.

1349906418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571199 (or 3571193 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1349906418 is about 36741.0726299601. The cubic root of 1349906418 is about 1105.1839112957.

The spelling of 1349906418 in words is "one billion, three hundred forty-nine million, nine hundred six thousand, four hundred eighteen".