135431450 has 96 divisors (see below), whose sum is σ = 325157760. Its totient is φ = 40723200.

The previous prime is 135431431. The next prime is 135431473. The reversal of 135431450 is 54134531.

135431450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111044 + ... + 112256.

It is an arithmetic number, because the mean of its divisors is an integer number (3387060).

Almost surely, 2^135431450 is an apocalyptic number.

135431450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135431450 is an abundant number, since it is smaller than the sum of its proper divisors (189726310).

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

135431450 is a wasteful number, since it uses less digits than its factorization.

135431450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1267 counting only the distinct ones).

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

The square root of 135431450 is about 11637.5018796991. The cubic root of 135431450 is about 513.5386984940.

Adding to 135431450 its reverse (54134531), we get a palindrome (189565981).

The spelling of 135431450 in words is "one hundred thirty-five million, four hundred thirty-one thousand, four hundred fifty".