135034311021 has 32 divisors (see below), whose sum is σ = 186450152448. Its totient is φ = 86873679360.

The previous prime is 135034310993. The next prime is 135034311031. The reversal of 135034311021 is 120113430531.

It is not a de Polignac number, because 135034311021 - 2⁵ = 135034310989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135034310982 and 135034311000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135034311031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4290675 + ... + 4322031.

It is an arithmetic number, because the mean of its divisors is an integer number (5826567264).

Almost surely, 2^135034311021 is an apocalyptic number.

It is an amenable number.

135034311021 is a deficient number, since it is larger than the sum of its proper divisors (51415841427).

135034311021 is a wasteful number, since it uses less digits than its factorization.

135034311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 135034311021 its reverse (120113430531), we get a palindrome (255147741552).

The spelling of 135034311021 in words is "one hundred thirty-five billion, thirty-four million, three hundred eleven thousand, twenty-one".