135518290 has 16 divisors (see below), whose sum is σ = 244354968. Its totient is φ = 54113536.

The previous prime is 135518261. The next prime is 135518291. The reversal of 135518290 is 92815531.

It can be written as a sum of positive squares in 4 ways, for example, as 94031809 + 41486481 = 9697^2 + 6441^2 .

It is not an unprimeable number, because it can be changed into a prime (135518291) 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, 5497 + ... + 17356.

Almost surely, 2^135518290 is an apocalyptic number.

135518290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135518290 is a deficient number, since it is larger than the sum of its proper divisors (108836678).

135518290 is a wasteful number, since it uses less digits than its factorization.

135518290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23453.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 135518290 is about 11641.2323230833. The cubic root of 135518290 is about 513.6484370918.

The spelling of 135518290 in words is "one hundred thirty-five million, five hundred eighteen thousand, two hundred ninety".