1345629711278 has 8 divisors (see below), whose sum is σ = 2052655491960. Its totient is φ = 661411213960.

The previous prime is 1345629711253. The next prime is 1345629711289. The reversal of 1345629711278 is 8721179265431.

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

It is a super-2 number, since 2×1345629711278² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701820693 + ... + 5701820928.

It is an arithmetic number, because the mean of its divisors is an integer number (256581936495).

Almost surely, 2^{1345629711278} is an apocalyptic number.

1345629711278 is a deficient number, since it is larger than the sum of its proper divisors (707025780682).

1345629711278 is a wasteful number, since it uses less digits than its factorization.

1345629711278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403641682.

The product of its digits is 5080320, while the sum is 56.

The spelling of 1345629711278 in words is "one trillion, three hundred forty-five billion, six hundred twenty-nine million, seven hundred eleven thousand, two hundred seventy-eight".