1346026057 has 4 divisors (see below), whose sum is σ = 1346130196. Its totient is φ = 1345921920.

The previous prime is 1346026037. The next prime is 1346026069. The reversal of 1346026057 is 7506206431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 354342976 + 991683081 = 18824^2 + 31491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346026057 is a prime.

It is a super-2 number, since 2×1346026057² = 3623572292245934498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346026037) 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, 29388 + ... + 59629.

It is an arithmetic number, because the mean of its divisors is an integer number (336532549).

Almost surely, 2^1346026057 is an apocalyptic number.

It is an amenable number.

1346026057 is a deficient number, since it is larger than the sum of its proper divisors (104139).

1346026057 is an equidigital number, since it uses as much as digits as its factorization.

1346026057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104138.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1346026057 is about 36688.2277713165. The cubic root of 1346026057 is about 1104.1239295980.

The spelling of 1346026057 in words is "one billion, three hundred forty-six million, twenty-six thousand, fifty-seven".