135621037106512 has 20 divisors (see below), whose sum is σ = 263470225248340. Its totient is φ = 67628720913408.

The previous prime is 135621037106473. The next prime is 135621037106591. The reversal of 135621037106512 is 215601730126531.

135621037106512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33486082064656 + 102134955041856 = 5786716^2 + 10106184^2 .

It is a super-2 number, since 2×135621037106512² (a number of 29 digits) contains 22 as substring.

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, 11362346337 + ... + 11362358272.

It is an arithmetic number, because the mean of its divisors is an integer number (13173511262417).

Almost surely, 2^{135621037106512} is an apocalyptic number.

It is an amenable number.

135621037106512 is a deficient number, since it is larger than the sum of its proper divisors (127849188141828).

135621037106512 is a wasteful number, since it uses less digits than its factorization.

135621037106512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22724704990 (or 22724704984 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 135621037106512 in words is "one hundred thirty-five trillion, six hundred twenty-one billion, thirty-seven million, one hundred six thousand, five hundred twelve".