135698531382 has 24 divisors (see below), whose sum is σ = 294020257440. Its totient is φ = 45231801840.

The previous prime is 135698531377. The next prime is 135698531399. The reversal of 135698531382 is 283135896531.

135698531382 is a `hidden beast` number, since 13 + 5 + 6 + 98 + 531 + 3 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1504707 + ... + 1592337.

It is an arithmetic number, because the mean of its divisors is an integer number (12250844060).

Almost surely, 2^135698531382 is an apocalyptic number.

135698531382 is an abundant number, since it is smaller than the sum of its proper divisors (158321726058).

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

135698531382 is a wasteful number, since it uses less digits than its factorization.

135698531382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173668 (or 173665 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 135698531382 in words is "one hundred thirty-five billion, six hundred ninety-eight million, five hundred thirty-one thousand, three hundred eighty-two".