13945133138145 has 32 divisors (see below), whose sum is σ = 24342163908480. Its totient is φ = 6760841149440.

The previous prime is 13945133138141. The next prime is 13945133138147. The reversal of 13945133138145 is 54183133154931.

It is not a de Polignac number, because 13945133138145 - 2² = 13945133138141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13945133138141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145354 + ... + 5283123.

It is an arithmetic number, because the mean of its divisors is an integer number (760692622140).

Almost surely, 2^{13945133138145} is an apocalyptic number.

13945133138145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13945133138145 is a deficient number, since it is larger than the sum of its proper divisors (10397030770335).

13945133138145 is a wasteful number, since it uses less digits than its factorization.

13945133138145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444065.

The product of its digits is 2332800, while the sum is 51.

The spelling of 13945133138145 in words is "thirteen trillion, nine hundred forty-five billion, one hundred thirty-three million, one hundred thirty-eight thousand, one hundred forty-five".