135011412 has 18 divisors (see below), whose sum is σ = 341278938. Its totient is φ = 45003792.

The previous prime is 135011381. The next prime is 135011441. The reversal of 135011412 is 214110531.

It can be written as a sum of positive squares in only one way, i.e., 118069956 + 16941456 = 10866^2 + 4116^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1875123 + ... + 1875194.

It is an arithmetic number, because the mean of its divisors is an integer number (18959941).

Almost surely, 2^135011412 is an apocalyptic number.

135011412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135011412 is an abundant number, since it is smaller than the sum of its proper divisors (206267526).

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

135011412 is a wasteful number, since it uses less digits than its factorization.

135011412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750327 (or 3750322 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 135011412 is about 11619.4411225325. The cubic root of 135011412 is about 513.0072385924.

Adding to 135011412 its reverse (214110531), we get a palindrome (349121943).

The spelling of 135011412 in words is "one hundred thirty-five million, eleven thousand, four hundred twelve".