135321452 has 12 divisors (see below), whose sum is σ = 270642960. Its totient is φ = 57994896.

The previous prime is 135321449. The next prime is 135321463. The reversal of 135321452 is 254123531.

It is a happy number.

135321452 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416427 + ... + 2416482.

It is an arithmetic number, because the mean of its divisors is an integer number (22553580).

Almost surely, 2^135321452 is an apocalyptic number.

It is an amenable number.

135321452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135321452 is a wasteful number, since it uses less digits than its factorization.

135321452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832920 (or 4832918 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 135321452 is about 11632.7749054127. The cubic root of 135321452 is about 513.3996280640.

Adding to 135321452 its reverse (254123531), we get a palindrome (389444983).

The spelling of 135321452 in words is "one hundred thirty-five million, three hundred twenty-one thousand, four hundred fifty-two".