1346890001 has 4 divisors (see below), whose sum is σ = 1359246900. Its totient is φ = 1334533104.

The previous prime is 1346889977. The next prime is 1346890037. The reversal of 1346890001 is 1000986431.

It is a happy number.

It is a Cunningham number, because it is equal to 36700²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000986431 = 113 ⋅8858287.

It can be written as a sum of positive squares in 2 ways, for example, as 938809600 + 408080401 = 30640^2 + 20201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346890001 - 2¹⁸ = 1346627857 is a prime.

It is a super-2 number, since 2×1346890001² = 3628225349587560002, which contains 22 as substring.

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 1346890001.

It is not an unprimeable number, because it can be changed into a prime (1346890081) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6178286 + ... + 6178503.

It is an arithmetic number, because the mean of its divisors is an integer number (339811725).

Almost surely, 2^1346890001 is an apocalyptic number.

It is an amenable number.

1346890001 is a deficient number, since it is larger than the sum of its proper divisors (12356899).

1346890001 is a wasteful number, since it uses less digits than its factorization.

1346890001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356898.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1346890001 is about 36700.0000136240. Note that the first 4 decimals coincide. The cubic root of 1346890001 is about 1104.3601056179.

The spelling of 1346890001 in words is "one billion, three hundred forty-six million, eight hundred ninety thousand, one".