13540154145 has 32 divisors (see below), whose sum is σ = 24923136000. Its totient is φ = 6148785600.

The previous prime is 13540154137. The next prime is 13540154191. The reversal of 13540154145 is 54145104531.

It is not a de Polignac number, because 13540154145 - 2³ = 13540154137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411145 + ... + 442854.

It is an arithmetic number, because the mean of its divisors is an integer number (778848000).

Almost surely, 2^13540154145 is an apocalyptic number.

13540154145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13540154145 is a deficient number, since it is larger than the sum of its proper divisors (11382981855).

13540154145 is a wasteful number, since it uses less digits than its factorization.

13540154145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854165.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 13540154145 its reverse (54145104531), we get a palindrome (67685258676).

The spelling of 13540154145 in words is "thirteen billion, five hundred forty million, one hundred fifty-four thousand, one hundred forty-five".