134666025 has 48 divisors (see below), whose sum is σ = 243942720. Its totient is φ = 65145600.

The previous prime is 134666003. The next prime is 134666029. The reversal of 134666025 is 520666431.

134666025 = T₄₃₀ + T₄₃₁ + ... + T₉₆₀.

It is not a de Polignac number, because 134666025 - 2⁹ = 134665513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134666029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56355 + ... + 58695.

It is an arithmetic number, because the mean of its divisors is an integer number (5082140).

Almost surely, 2^134666025 is an apocalyptic number.

134666025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134666025 is a deficient number, since it is larger than the sum of its proper divisors (109276695).

134666025 is a wasteful number, since it uses less digits than its factorization.

134666025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 134666025 is about 11604.5691432297. The cubic root of 134666025 is about 512.5694056310.

It can be divided in two parts, 13466 and 6025, that added together give a palindrome (19491).

The spelling of 134666025 in words is "one hundred thirty-four million, six hundred sixty-six thousand, twenty-five".