1345312644026 has 8 divisors (see below), whose sum is σ = 2173197348084. Its totient is φ = 620913528000.

The previous prime is 1345312644023. The next prime is 1345312644031. The reversal of 1345312644026 is 6204462135431.

It can be written as a sum of positive squares in 2 ways, for example, as 1320396337225 + 24916306801 = 1149085^2 + 157849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1345312644026² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345312644023) 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, 25871396975 + ... + 25871397026.

Almost surely, 2^{1345312644026} is an apocalyptic number.

1345312644026 is a deficient number, since it is larger than the sum of its proper divisors (827884704058).

1345312644026 is a wasteful number, since it uses less digits than its factorization.

1345312644026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51742794016.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 1345312644026 its reverse (6204462135431), we get a palindrome (7549774779457).

The spelling of 1345312644026 in words is "one trillion, three hundred forty-five billion, three hundred twelve million, six hundred forty-four thousand, twenty-six".