135291412 has 24 divisors (see below), whose sum is σ = 241984512. Its totient is φ = 66165600.

The previous prime is 135291391. The next prime is 135291413. The reversal of 135291412 is 214192531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135291413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45153 + ... + 48055.

It is an arithmetic number, because the mean of its divisors is an integer number (10082688).

Almost surely, 2^135291412 is an apocalyptic number.

It is an amenable number.

135291412 is a deficient number, since it is larger than the sum of its proper divisors (106693100).

135291412 is a wasteful number, since it uses less digits than its factorization.

135291412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3157 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 135291412 is about 11631.4836542893. The cubic root of 135291412 is about 513.3616354029.

It can be divided in two parts, 13529 and 1412, that added together give a palindrome (14941).

The spelling of 135291412 in words is "one hundred thirty-five million, two hundred ninety-one thousand, four hundred twelve".