1346111999 has 4 divisors (see below), whose sum is σ = 1355026800. Its totient is φ = 1337197200.

The previous prime is 1346111983. The next prime is 1346112029. The reversal of 1346111999 is 9991116431.

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

It is a cyclic number.

It is not a de Polignac number, because 1346111999 - 2⁴ = 1346111983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346111929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457174 + ... + 4457475.

It is an arithmetic number, because the mean of its divisors is an integer number (338756700).

Almost surely, 2^1346111999 is an apocalyptic number.

1346111999 is a deficient number, since it is larger than the sum of its proper divisors (8914801).

1346111999 is an equidigital number, since it uses as much as digits as its factorization.

1346111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914800.

The product of its digits is 52488, while the sum is 44.

The square root of 1346111999 is about 36689.3990002562. The cubic root of 1346111999 is about 1104.1474280532.

The spelling of 1346111999 in words is "one billion, three hundred forty-six million, one hundred eleven thousand, nine hundred ninety-nine".