135060732021 has 32 divisors (see below), whose sum is σ = 185145864192. Its totient is φ = 87546332160.

The previous prime is 135060731957. The next prime is 135060732041. The reversal of 135060732021 is 120237060531.

It is not a de Polignac number, because 135060732021 - 2⁶ = 135060731957 is a prime.

It is a super-3 number, since 3×135060732021³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135060732021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135060732041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7911531 + ... + 7928583.

It is an arithmetic number, because the mean of its divisors is an integer number (5785808256).

Almost surely, 2^135060732021 is an apocalyptic number.

It is an amenable number.

135060732021 is a deficient number, since it is larger than the sum of its proper divisors (50085132171).

135060732021 is a wasteful number, since it uses less digits than its factorization.

135060732021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17613.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 135060732021 its reverse (120237060531), we get a palindrome (255297792552).

The spelling of 135060732021 in words is "one hundred thirty-five billion, sixty million, seven hundred thirty-two thousand, twenty-one".