135641524 has 24 divisors (see below), whose sum is σ = 243105408. Its totient is φ = 66202080.

The previous prime is 135641477. The next prime is 135641533. The reversal of 135641524 is 425146531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26934 + ... + 31570.

It is an arithmetic number, because the mean of its divisors is an integer number (10129392).

Almost surely, 2^135641524 is an apocalyptic number.

It is an amenable number.

135641524 is a deficient number, since it is larger than the sum of its proper divisors (107463884).

135641524 is a wasteful number, since it uses less digits than its factorization.

135641524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815 (or 4813 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 135641524 is about 11646.5241166624. The cubic root of 135641524 is about 513.8040858831.

The spelling of 135641524 in words is "one hundred thirty-five million, six hundred forty-one thousand, five hundred twenty-four".