13540022025 has 24 divisors (see below), whose sum is σ = 22862477184. Its totient is φ = 7067697600.

The previous prime is 13540022021. The next prime is 13540022039. The reversal of 13540022025 is 52022004531.

It is not a de Polignac number, because 13540022025 - 2² = 13540022021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13540021986 and 13540022004.

It is not an unprimeable number, because it can be changed into a prime (13540022021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917046 + ... + 1924095.

It is an arithmetic number, because the mean of its divisors is an integer number (952603216).

Almost surely, 2^13540022025 is an apocalyptic number.

13540022025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13540022025 is a deficient number, since it is larger than the sum of its proper divisors (9322455159).

13540022025 is a wasteful number, since it uses less digits than its factorization.

13540022025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841201 (or 3841196 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 13540022025 its reverse (52022004531), we get a palindrome (65562026556).

The spelling of 13540022025 in words is "thirteen billion, five hundred forty million, twenty-two thousand, twenty-five".