135211782 has 16 divisors (see below), whose sum is σ = 270550512. Its totient is φ = 45049440.

The previous prime is 135211777. The next prime is 135211787. The reversal of 135211782 is 287112531.

It is an interprime number because it is at equal distance from previous prime (135211777) and next prime (135211787).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135211787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13932 + ... + 21552.

It is an arithmetic number, because the mean of its divisors is an integer number (16909407).

Almost surely, 2^135211782 is an apocalyptic number.

135211782 is an abundant number, since it is smaller than the sum of its proper divisors (135338730).

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

135211782 is a wasteful number, since it uses less digits than its factorization.

135211782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583.

The product of its digits is 3360, while the sum is 30.

The square root of 135211782 is about 11628.0601133637. The cubic root of 135211782 is about 513.2608972771.

The spelling of 135211782 in words is "one hundred thirty-five million, two hundred eleven thousand, seven hundred eighty-two".