135490685 has 8 divisors (see below), whose sum is σ = 177369696. Its totient is φ = 98538640.

The previous prime is 135490679. The next prime is 135490687. The reversal of 135490685 is 586094531.

135490685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 135490685 - 2⁴ = 135490669 is a prime.

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 (135490687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231679 + ... + 1231788.

It is an arithmetic number, because the mean of its divisors is an integer number (22171212).

Almost surely, 2^135490685 is an apocalyptic number.

It is an amenable number.

135490685 is a deficient number, since it is larger than the sum of its proper divisors (41879011).

135490685 is a wasteful number, since it uses less digits than its factorization.

135490685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463483.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 135490685 is about 11640.0466064359. The cubic root of 135490685 is about 513.6135580901.

The spelling of 135490685 in words is "one hundred thirty-five million, four hundred ninety thousand, six hundred eighty-five".