1340374705253 has 2 divisors, whose sum is σ = 1340374705254. Its totient is φ = 1340374705252.

The previous prime is 1340374705217. The next prime is 1340374705321. The reversal of 1340374705253 is 3525074730431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331792165089 + 8582540164 = 1154033^2 + 92642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340374705253 - 2³⁶ = 1271655228517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340374707253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670187352626 + 670187352627.

It is an arithmetic number, because the mean of its divisors is an integer number (670187352627).

Almost surely, 2^{1340374705253} is an apocalyptic number.

It is an amenable number.

1340374705253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340374705253 is an equidigital number, since it uses as much as digits as its factorization.

1340374705253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 1340374705253 in words is "one trillion, three hundred forty billion, three hundred seventy-four million, seven hundred five thousand, two hundred fifty-three".