135985986472 has 32 divisors (see below), whose sum is σ = 292347760320. Its totient is φ = 58089864960.

The previous prime is 135985986469. The next prime is 135985986481. The reversal of 135985986472 is 274689589531.

It is a junction number, because it is equal to n+sod(n) for n = 135985986398 and 135985986407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3937729 + ... + 3972112.

It is an arithmetic number, because the mean of its divisors is an integer number (9135867510).

Almost surely, 2^135985986472 is an apocalyptic number.

It is an amenable number.

135985986472 is an abundant number, since it is smaller than the sum of its proper divisors (156361773848).

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

135985986472 is a wasteful number, since it uses less digits than its factorization.

135985986472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910161 (or 7910157 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 67.

The spelling of 135985986472 in words is "one hundred thirty-five billion, nine hundred eighty-five million, nine hundred eighty-six thousand, four hundred seventy-two".