134440025 has 24 divisors (see below), whose sum is σ = 176322048. Its totient is φ = 101520000.

The previous prime is 134440003. The next prime is 134440039. The reversal of 134440025 is 520044431.

It is not a de Polignac number, because 134440025 - 2¹⁶ = 134374489 is a prime.

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, 29660 + ... + 33890.

It is an arithmetic number, because the mean of its divisors is an integer number (7346752).

Almost surely, 2^134440025 is an apocalyptic number.

It is an amenable number.

134440025 is a deficient number, since it is larger than the sum of its proper divisors (41882023).

134440025 is a wasteful number, since it uses less digits than its factorization.

134440025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 134440025 is about 11594.8275105756. The cubic root of 134440025 is about 512.2825093421.

Adding to 134440025 its reverse (520044431), we get a palindrome (654484456).

The spelling of 134440025 in words is "one hundred thirty-four million, four hundred forty thousand, twenty-five".