135214525 has 6 divisors (see below), whose sum is σ = 167666042. Its totient is φ = 108171600.

The previous prime is 135214517. The next prime is 135214537. The reversal of 135214525 is 525412531.

It can be written as a sum of positive squares in 3 ways, for example, as 143641 + 135070884 = 379^2 + 11622^2 .

It is not a de Polignac number, because 135214525 - 2³ = 135214517 is a prime.

It is a super-3 number, since 3×135214525³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135214493 and 135214502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2704266 + ... + 2704315.

Almost surely, 2^135214525 is an apocalyptic number.

It is an amenable number.

135214525 is a deficient number, since it is larger than the sum of its proper divisors (32451517).

135214525 is an equidigital number, since it uses as much as digits as its factorization.

135214525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408591 (or 5408586 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 135214525 is about 11628.1780602122. The cubic root of 135214525 is about 513.2643680425.

The spelling of 135214525 in words is "one hundred thirty-five million, two hundred fourteen thousand, five hundred twenty-five".