135131802 has 32 divisors (see below), whose sum is σ = 294573888. Its totient is φ = 41076096.

The previous prime is 135131797. The next prime is 135131813. The reversal of 135131802 is 208131531.

135131802 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3963 + ... + 16910.

It is an arithmetic number, because the mean of its divisors is an integer number (9205434).

Almost surely, 2^135131802 is an apocalyptic number.

135131802 is an abundant number, since it is smaller than the sum of its proper divisors (159442086).

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

135131802 is a wasteful number, since it uses less digits than its factorization.

135131802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20974.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 135131802 is about 11624.6205099349. The cubic root of 135131802 is about 513.1596765534.

It can be divided in two parts, 1351 and 31802, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 135131802 in words is "one hundred thirty-five million, one hundred thirty-one thousand, eight hundred two".