136485825 has 36 divisors (see below), whose sum is σ = 262505520. Its totient is φ = 62391840.

The previous prime is 136485823. The next prime is 136485829. The reversal of 136485825 is 528584631.

It is not a de Polignac number, because 136485825 - 2¹ = 136485823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136485823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14895 + ... + 22244.

It is an arithmetic number, because the mean of its divisors is an integer number (7291820).

Almost surely, 2^136485825 is an apocalyptic number.

136485825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136485825 is a deficient number, since it is larger than the sum of its proper divisors (126019695).

136485825 is a wasteful number, since it uses less digits than its factorization.

136485825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37166 (or 37154 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 136485825 is about 11682.7147957998. The cubic root of 136485825 is about 514.8679398720.

The spelling of 136485825 in words is "one hundred thirty-six million, four hundred eighty-five thousand, eight hundred twenty-five".