135180886 has 4 divisors (see below), whose sum is σ = 202771332. Its totient is φ = 67590442.

The previous prime is 135180847. The next prime is 135180887. The reversal of 135180886 is 688081531.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135180887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33795220 + ... + 33795223.

It is an arithmetic number, because the mean of its divisors is an integer number (50692833).

Almost surely, 2^135180886 is an apocalyptic number.

135180886 is a deficient number, since it is larger than the sum of its proper divisors (67590446).

135180886 is an equidigital number, since it uses as much as digits as its factorization.

135180886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67590445.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 135180886 is about 11626.7315269598. The cubic root of 135180886 is about 513.2218007910.

The spelling of 135180886 in words is "one hundred thirty-five million, one hundred eighty thousand, eight hundred eighty-six".