135736725 has 12 divisors (see below), whose sum is σ = 224418176. Its totient is φ = 72392880.

The previous prime is 135736709. The next prime is 135736729. The reversal of 135736725 is 527637531.

It is not a de Polignac number, because 135736725 - 2⁴ = 135736709 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135736729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904837 + ... + 904986.

Almost surely, 2^135736725 is an apocalyptic number.

135736725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135736725 is a deficient number, since it is larger than the sum of its proper divisors (88681451).

135736725 is a wasteful number, since it uses less digits than its factorization.

135736725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809836 (or 1809831 counting only the distinct ones).

The product of its digits is 132300, while the sum is 39.

The square root of 135736725 is about 11650.6104990254. The cubic root of 135736725 is about 513.9242634957.

The spelling of 135736725 in words is "one hundred thirty-five million, seven hundred thirty-six thousand, seven hundred twenty-five".