135230725 has 24 divisors (see below), whose sum is σ = 192170240. Its totient is φ = 92473920.

The previous prime is 135230713. The next prime is 135230749. The reversal of 135230725 is 527032531.

It is not a de Polignac number, because 135230725 - 2¹³ = 135222533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135230693 and 135230702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80191 + ... + 81859.

Almost surely, 2^135230725 is an apocalyptic number.

It is an amenable number.

135230725 is a deficient number, since it is larger than the sum of its proper divisors (56939515).

135230725 is a wasteful number, since it uses less digits than its factorization.

135230725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 135230725 is about 11628.8746231095. The cubic root of 135230725 is about 513.2848652258.

It can be divided in two parts, 135 and 230725, that added together give a triangular number (230860 = T₆₇₉).

The spelling of 135230725 in words is "one hundred thirty-five million, two hundred thirty thousand, seven hundred twenty-five".