136773025 has 9 divisors (see below), whose sum is σ = 169671091.
Its totient is φ = 109371640.
The previous prime is 136773017. The next prime is 136773037. The reversal of 136773025 is 520377631.
The square root of 136773025 is 11695.
It is a perfect power (a square), and thus also a powerful number.
136773025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 49238289 + 87534736 = 7017^2 + 9356^2
It is not a de Polignac number, because 136773025 - 23 = 136773017 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57306 + ... + 59644.
Almost surely, 2136773025 is an apocalyptic number.
136773025 is the 11695-th square number.
136773025 is the 5848-th centered octagonal number.
It is an amenable number.
136773025 is a deficient number, since it is larger than the sum of its proper divisors (32898066).
136773025 is an frugal number, since it uses more digits than its factorization.
136773025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4688 (or 2344 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 34.
The cubic root of 136773025 is about 515.2288234412.
The spelling of 136773025 in words is "one hundred thirty-six million, seven hundred seventy-three thousand, twenty-five".