1354215121345 has 16 divisors (see below), whose sum is σ = 1707792102720. Its totient is φ = 1029578001984.

The previous prime is 1354215121277. The next prime is 1354215121373. The reversal of 1354215121345 is 5431215124531.

It is a cyclic number.

It is not a de Polignac number, because 1354215121345 - 2⁹ = 1354215120833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85109275 + ... + 85125184.

It is an arithmetic number, because the mean of its divisors is an integer number (106737006420).

Almost surely, 2^{1354215121345} is an apocalyptic number.

It is an amenable number.

1354215121345 is a deficient number, since it is larger than the sum of its proper divisors (353576981375).

1354215121345 is a wasteful number, since it uses less digits than its factorization.

1354215121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170234544.

The product of its digits is 72000, while the sum is 37.

The spelling of 1354215121345 in words is "one trillion, three hundred fifty-four billion, two hundred fifteen million, one hundred twenty-one thousand, three hundred forty-five".