2140004031345 has 12 divisors (see below), whose sum is σ = 3709340321076. Its totient is φ = 1141335483360.

The previous prime is 2140004031331. The next prime is 2140004031401. The reversal of 2140004031345 is 5431304000412.

It is a happy number.

2140004031345 is a `hidden beast` number, since 214 + 0 + 0 + 0 + 403 + 1 + 3 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1221327788769 + 918676242576 = 1105137^2 + 958476^2 .

It is not a de Polignac number, because 2140004031345 - 2⁶ = 2140004031281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23777822526 + ... + 23777822615.

It is an arithmetic number, because the mean of its divisors is an integer number (309111693423).

Almost surely, 2^{2140004031345} is an apocalyptic number.

It is an amenable number.

2140004031345 is a deficient number, since it is larger than the sum of its proper divisors (1569336289731).

2140004031345 is a wasteful number, since it uses less digits than its factorization.

2140004031345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47555645152 (or 47555645149 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 2140004031345 its reverse (5431304000412), we get a palindrome (7571308031757).

The spelling of 2140004031345 in words is "two trillion, one hundred forty billion, four million, thirty-one thousand, three hundred forty-five".