135022004021 has 8 divisors (see below), whose sum is σ = 136202457888. Its totient is φ = 133846650000.

The previous prime is 135022004003. The next prime is 135022004077. The reversal of 135022004021 is 120400220531.

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 135022004021 - 2²⁶ = 134954895157 is a prime.

It is a super-3 number, since 3×135022004021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135022003984 and 135022004002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135022004521) 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 7 ways as a sum of consecutive naturals, for example, 1221770 + ... + 1327691.

It is an arithmetic number, because the mean of its divisors is an integer number (17025307236).

Almost surely, 2^135022004021 is an apocalyptic number.

It is an amenable number.

135022004021 is a deficient number, since it is larger than the sum of its proper divisors (1180453867).

135022004021 is a wasteful number, since it uses less digits than its factorization.

135022004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549923.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 135022004021 its reverse (120400220531), we get a palindrome (255422224552).

The spelling of 135022004021 in words is "one hundred thirty-five billion, twenty-two million, four thousand, twenty-one".