3642520135 has 8 divisors (see below), whose sum is σ = 4453496640. Its totient is φ = 2859034464.

The previous prime is 3642520121. The next prime is 3642520139. The reversal of 3642520135 is 5310252463.

It is a happy number.

3642520135 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 a cyclic number.

It is not a de Polignac number, because 3642520135 - 2⁵ = 3642520103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3642520097 and 3642520106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642520139) 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, 6872415 + ... + 6872944.

It is an arithmetic number, because the mean of its divisors is an integer number (556687080).

Almost surely, 2^3642520135 is an apocalyptic number.

3642520135 is a deficient number, since it is larger than the sum of its proper divisors (810976505).

3642520135 is a wasteful number, since it uses less digits than its factorization.

3642520135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745417.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3642520135 is about 60353.2943177090. The cubic root of 3642520135 is about 1538.6292597014.

Adding to 3642520135 its reverse (5310252463), we get a palindrome (8952772598).

The spelling of 3642520135 in words is "three billion, six hundred forty-two million, five hundred twenty thousand, one hundred thirty-five".