1340244124245 has 36 divisors (see below), whose sum is σ = 2515535139780. Its totient is φ = 659812488192.

The previous prime is 1340244124243. The next prime is 1340244124259. The reversal of 1340244124245 is 5424214420431.

1340244124245 is a `hidden beast` number, since 1 + 3 + 402 + 4 + 4 + 1 + 2 + 4 + 245 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 119327411844 + 1220916712401 = 345438^2 + 1104951^2 .

It is not a de Polignac number, because 1340244124245 - 2¹ = 1340244124243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340244124243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88108380 + ... + 88123589.

It is an arithmetic number, because the mean of its divisors is an integer number (69875976105).

Almost surely, 2^{1340244124245} is an apocalyptic number.

1340244124245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340244124245 is a deficient number, since it is larger than the sum of its proper divisors (1175291015535).

1340244124245 is a wasteful number, since it uses less digits than its factorization.

1340244124245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176232006 (or 176231990 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 1340244124245 its reverse (5424214420431), we get a palindrome (6764458544676).

The spelling of 1340244124245 in words is "one trillion, three hundred forty billion, two hundred forty-four million, one hundred twenty-four thousand, two hundred forty-five".