135825537 has 8 divisors (see below), whose sum is σ = 181331136. Its totient is φ = 90435152.

The previous prime is 135825527. The next prime is 135825541. The reversal of 135825537 is 735528531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135825537 - 2²³ = 127436929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135825495 and 135825504.

It is not an unprimeable number, because it can be changed into a prime (135825527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26013 + ... + 30794.

It is an arithmetic number, because the mean of its divisors is an integer number (22666392).

Almost surely, 2^135825537 is an apocalyptic number.

It is an amenable number.

135825537 is a deficient number, since it is larger than the sum of its proper divisors (45505599).

135825537 is an equidigital number, since it uses as much as digits as its factorization.

135825537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57607.

The product of its digits is 126000, while the sum is 39.

The square root of 135825537 is about 11654.4213498569. The cubic root of 135825537 is about 514.0363252601.

The spelling of 135825537 in words is "one hundred thirty-five million, eight hundred twenty-five thousand, five hundred thirty-seven".