135571749658 has 8 divisors (see below), whose sum is σ = 203894189280. Its totient is φ = 67607019900.

The previous prime is 135571749629. The next prime is 135571749659. The reversal of 135571749658 is 856947175531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 135571749596 and 135571749605.

It is not an unprimeable number, because it can be changed into a prime (135571749659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89426518 + ... + 89428033.

It is an arithmetic number, because the mean of its divisors is an integer number (25486773660).

Almost surely, 2^135571749658 is an apocalyptic number.

135571749658 is a deficient number, since it is larger than the sum of its proper divisors (68322439622).

135571749658 is a wasteful number, since it uses less digits than its factorization.

135571749658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178854932.

The product of its digits is 31752000, while the sum is 61.

The spelling of 135571749658 in words is "one hundred thirty-five billion, five hundred seventy-one million, seven hundred forty-nine thousand, six hundred fifty-eight".