135139325 has 12 divisors (see below), whose sum is σ = 171471168. Its totient is φ = 105596400.

The previous prime is 135139297. The next prime is 135139327. The reversal of 135139325 is 523931531.

It is not a de Polignac number, because 135139325 - 2¹² = 135135229 is a prime.

It is a super-2 number, since 2×135139325² = 36525274322911250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135139291 and 135139300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135139327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61781 + ... + 63930.

It is an arithmetic number, because the mean of its divisors is an integer number (14289264).

Almost surely, 2^135139325 is an apocalyptic number.

It is an amenable number.

135139325 is a deficient number, since it is larger than the sum of its proper divisors (36331843).

135139325 is a wasteful number, since it uses less digits than its factorization.

135139325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125764 (or 125759 counting only the distinct ones).

The product of its digits is 12150, while the sum is 32.

The square root of 135139325 is about 11624.9440858870. The cubic root of 135139325 is about 513.1691991789.

The spelling of 135139325 in words is "one hundred thirty-five million, one hundred thirty-nine thousand, three hundred twenty-five".