134020520025 has 24 divisors (see below), whose sum is σ = 253234964544. Its totient is φ = 61266523200.

The previous prime is 134020519957. The next prime is 134020520057. The reversal of 134020520025 is 520025020431.

It is not a de Polignac number, because 134020520025 - 2¹⁵ = 134020487257 is a prime.

It is a super-2 number, since 2×134020520025² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134020519977 and 134020520004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127638066 + ... + 127639115.

It is an arithmetic number, because the mean of its divisors is an integer number (10551456856).

Almost surely, 2^134020520025 is an apocalyptic number.

134020520025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134020520025 is a deficient number, since it is larger than the sum of its proper divisors (119214444519).

134020520025 is a wasteful number, since it uses less digits than its factorization.

134020520025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255277201 (or 255277196 counting only the distinct ones).

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

Adding to 134020520025 its reverse (520025020431), we get a palindrome (654045540456).

The spelling of 134020520025 in words is "one hundred thirty-four billion, twenty million, five hundred twenty thousand, twenty-five".