1346057407 has 4 divisors (see below), whose sum is σ = 1351175760. Its totient is φ = 1340939056.

The previous prime is 1346057389. The next prime is 1346057431. The reversal of 1346057407 is 7047506431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7047506431 = 7 ⋅1006786633.

It is a cyclic number.

It is not a de Polignac number, because 1346057407 - 2¹⁵ = 1346024639 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 (1346051407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558782 + ... + 2559307.

It is an arithmetic number, because the mean of its divisors is an integer number (337793940).

Almost surely, 2^1346057407 is an apocalyptic number.

1346057407 is a deficient number, since it is larger than the sum of its proper divisors (5118353).

1346057407 is an equidigital number, since it uses as much as digits as its factorization.

1346057407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118352.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1346057407 is about 36688.6550175937. The cubic root of 1346057407 is about 1104.1325015015.

The spelling of 1346057407 in words is "one billion, three hundred forty-six million, fifty-seven thousand, four hundred seven".