1346070681 has 6 divisors (see below), whose sum is σ = 1944324330. Its totient is φ = 897380448.

The previous prime is 1346070643. The next prime is 1346070683. The reversal of 1346070681 is 1860706431.

It can be written as a sum of positive squares in only one way, i.e., 1330790400 + 15280281 = 36480^2 + 3909^2 .

It is not a de Polignac number, because 1346070681 - 2⁹ = 1346070169 is a prime.

It is a super-2 number, since 2×1346070681² = 3623812556495607522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1346070683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74781696 + ... + 74781713.

It is an arithmetic number, because the mean of its divisors is an integer number (324054055).

Almost surely, 2^1346070681 is an apocalyptic number.

It is an amenable number.

1346070681 is a deficient number, since it is larger than the sum of its proper divisors (598253649).

1346070681 is a wasteful number, since it uses less digits than its factorization.

1346070681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149563415 (or 149563412 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1346070681 is about 36688.8359177557. The cubic root of 1346070681 is about 1104.1361309174.

The spelling of 1346070681 in words is "one billion, three hundred forty-six million, seventy thousand, six hundred eighty-one".