135672666072 has 64 divisors (see below), whose sum is σ = 347579462880. Its totient is φ = 44114383872.

The previous prime is 135672666049. The next prime is 135672666089. The reversal of 135672666072 is 270666276531.

135672666072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88213 + ... + 528324.

Almost surely, 2^135672666072 is an apocalyptic number.

135672666072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135672666072 is an abundant number, since it is smaller than the sum of its proper divisors (211906796808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135672666072 is a wasteful number, since it uses less digits than its factorization.

135672666072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616772 (or 616768 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 135672666072 in words is "one hundred thirty-five billion, six hundred seventy-two million, six hundred sixty-six thousand, seventy-two".