134401025 has 24 divisors (see below), whose sum is σ = 182693664. Its totient is φ = 97270400.

The previous prime is 134401021. The next prime is 134401061. The reversal of 134401025 is 520104431.

It is not a de Polignac number, because 134401025 - 2² = 134401021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134400988 and 134401006.

It is not an unprimeable number, because it can be changed into a prime (134401021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61349 + ... + 63501.

It is an arithmetic number, because the mean of its divisors is an integer number (7612236).

Almost surely, 2^134401025 is an apocalyptic number.

It is an amenable number.

134401025 is a deficient number, since it is larger than the sum of its proper divisors (48292639).

134401025 is a wasteful number, since it uses less digits than its factorization.

134401025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 134401025 is about 11593.1456041922. The cubic root of 134401025 is about 512.2329681679.

Adding to 134401025 its reverse (520104431), we get a palindrome (654505456).

The spelling of 134401025 in words is "one hundred thirty-four million, four hundred one thousand, twenty-five".