1370671517345 has 8 divisors (see below), whose sum is σ = 1771329345576. Its totient is φ = 1012188197376.

The previous prime is 1370671517339. The next prime is 1370671517387. The reversal of 1370671517345 is 5437151760731.

It can be written as a sum of positive squares in 4 ways, for example, as 80211869089 + 1290459648256 = 283217^2 + 1135984^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1370671517345 - 2²⁸ = 1370403081889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1370671517293 and 1370671517302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10543626992 + ... + 10543627121.

It is an arithmetic number, because the mean of its divisors is an integer number (221416168197).

Almost surely, 2^{1370671517345} is an apocalyptic number.

It is an amenable number.

1370671517345 is a deficient number, since it is larger than the sum of its proper divisors (400657828231).

1370671517345 is a wasteful number, since it uses less digits than its factorization.

1370671517345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21087254131.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The spelling of 1370671517345 in words is "one trillion, three hundred seventy billion, six hundred seventy-one million, five hundred seventeen thousand, three hundred forty-five".