620121142134345 has 16 divisors (see below), whose sum is σ = 1026407407671360. Its totient is φ = 319326749052864.

The previous prime is 620121142134313. The next prime is 620121142134367. The reversal of 620121142134345 is 543431241121026.

620121142134345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620121142134345 - 2⁵ = 620121142134313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712782921559 + ... + 712782922428.

It is an arithmetic number, because the mean of its divisors is an integer number (64150462979460).

Almost surely, 2^{620121142134345} is an apocalyptic number.

It is an amenable number.

620121142134345 is a deficient number, since it is larger than the sum of its proper divisors (406286265537015).

620121142134345 is a wasteful number, since it uses less digits than its factorization.

620121142134345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425565844024.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 620121142134345 in words is "six hundred twenty trillion, one hundred twenty-one billion, one hundred forty-two million, one hundred thirty-four thousand, three hundred forty-five".