135424020064 has 24 divisors (see below), whose sum is σ = 266628044088. Its totient is φ = 67708961280.

The previous prime is 135424020041. The next prime is 135424020071. The reversal of 135424020064 is 460020424531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738904 + ... + 903784.

It is an arithmetic number, because the mean of its divisors is an integer number (11109501837).

Almost surely, 2^135424020064 is an apocalyptic number.

It is an amenable number.

135424020064 is a deficient number, since it is larger than the sum of its proper divisors (131204024024).

135424020064 is a wasteful number, since it uses less digits than its factorization.

135424020064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190558 (or 190550 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 135424020064 its reverse (460020424531), we get a palindrome (595444444595).

The spelling of 135424020064 in words is "one hundred thirty-five billion, four hundred twenty-four million, twenty thousand, sixty-four".