134915825 has 24 divisors (see below), whose sum is σ = 193246560. Its totient is φ = 92345600.

The previous prime is 134915821. The next prime is 134915839. The reversal of 134915825 is 528519431.

It is a happy number.

It is not a de Polignac number, because 134915825 - 2² = 134915821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134915821) 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, 9755 + ... + 19104.

It is an arithmetic number, because the mean of its divisors is an integer number (8051940).

Almost surely, 2^134915825 is an apocalyptic number.

It is an amenable number.

134915825 is a deficient number, since it is larger than the sum of its proper divisors (58330735).

134915825 is a wasteful number, since it uses less digits than its factorization.

134915825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28897 (or 28892 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 134915825 is about 11615.3271585436. The cubic root of 134915825 is about 512.8861416685.

The spelling of 134915825 in words is "one hundred thirty-four million, nine hundred fifteen thousand, eight hundred twenty-five".