13154325220340 has 12 divisors (see below), whose sum is σ = 27624082962756. Its totient is φ = 5261730088128.

The previous prime is 13154325220277. The next prime is 13154325220343. The reversal of 13154325220340 is 4302252345131.

It can be written as a sum of positive squares in 2 ways, for example, as 4571839370596 + 8582485849744 = 2138186^2 + 2929588^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13154325220340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154325220343) 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, 328858130489 + ... + 328858130528.

It is an arithmetic number, because the mean of its divisors is an integer number (2302006913563).

Almost surely, 2^{13154325220340} is an apocalyptic number.

13154325220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13154325220340 is an abundant number, since it is smaller than the sum of its proper divisors (14469757742416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13154325220340 is a wasteful number, since it uses less digits than its factorization.

13154325220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657716261026 (or 657716261024 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 13154325220340 its reverse (4302252345131), we get a palindrome (17456577565471).

The spelling of 13154325220340 in words is "thirteen trillion, one hundred fifty-four billion, three hundred twenty-five million, two hundred twenty thousand, three hundred forty".