135331412 has 12 divisors (see below), whose sum is σ = 236978196. Its totient is φ = 67623360.

The previous prime is 135331411. The next prime is 135331423. The reversal of 135331412 is 214133531.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 131698576 = 1906^2 + 11476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135331411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (19748183).

Almost surely, 2^135331412 is an apocalyptic number.

It is an amenable number.

135331412 is a deficient number, since it is larger than the sum of its proper divisors (101646784).

135331412 is a wasteful number, since it uses less digits than its factorization.

135331412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21178 (or 21176 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 135331412 is about 11633.2029983148. The cubic root of 135331412 is about 513.4122235906.

Adding to 135331412 its reverse (214133531), we get a palindrome (349464943).

The spelling of 135331412 in words is "one hundred thirty-five million, three hundred thirty-one thousand, four hundred twelve".