1340554145153 has 4 divisors (see below), whose sum is σ = 1340559649728. Its totient is φ = 1340548640580.

The previous prime is 1340554145101. The next prime is 1340554145167. The reversal of 1340554145153 is 3515414550431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340554145153 - 2²⁴ = 1340537367937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340554145153.

It is not an unprimeable number, because it can be changed into a prime (1340554145753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369213 + ... + 2879978.

It is an arithmetic number, because the mean of its divisors is an integer number (335139912432).

Almost surely, 2^{1340554145153} is an apocalyptic number.

It is an amenable number.

1340554145153 is a deficient number, since it is larger than the sum of its proper divisors (5504575).

1340554145153 is an equidigital number, since it uses as much as digits as its factorization.

1340554145153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504574.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 1340554145153 its reverse (3515414550431), we get a palindrome (4855968695584).

The spelling of 1340554145153 in words is "one trillion, three hundred forty billion, five hundred fifty-four million, one hundred forty-five thousand, one hundred fifty-three".