136918625 has 8 divisors (see below), whose sum is σ = 170874600. Its totient is φ = 109534800.

The previous prime is 136918603. The next prime is 136918631. The reversal of 136918625 is 526819631.

It can be written as a sum of positive squares in 4 ways, for example, as 5678689 + 131239936 = 2383^2 + 11456^2 .

It is not a de Polignac number, because 136918625 - 2¹⁶ = 136853089 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 547550 + ... + 547799.

It is an arithmetic number, because the mean of its divisors is an integer number (21359325).

Almost surely, 2^136918625 is an apocalyptic number.

It is an amenable number.

136918625 is a deficient number, since it is larger than the sum of its proper divisors (33955975).

136918625 is an equidigital number, since it uses as much as digits as its factorization.

136918625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095364 (or 1095354 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 136918625 is about 11701.2232266546. The cubic root of 136918625 is about 515.4115853877.

The spelling of 136918625 in words is "one hundred thirty-six million, nine hundred eighteen thousand, six hundred twenty-five".