135305212330 has 16 divisors (see below), whose sum is σ = 249489611784. Its totient is φ = 52802033920.

The previous prime is 135305212321. The next prime is 135305212331. The reversal of 135305212330 is 33212503531.

It can be written as a sum of positive squares in 4 ways, for example, as 57536177689 + 77769034641 = 239867^2 + 278871^2 .

It is not an unprimeable number, because it can be changed into a prime (135305212331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165005947 + ... + 165006766.

Almost surely, 2^135305212330 is an apocalyptic number.

135305212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135305212330 is a deficient number, since it is larger than the sum of its proper divisors (114184399454).

135305212330 is a wasteful number, since it uses less digits than its factorization.

135305212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330012761.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 135305212330 its reverse (33212503531), we get a palindrome (168517715861).

The spelling of 135305212330 in words is "one hundred thirty-five billion, three hundred five million, two hundred twelve thousand, three hundred thirty".