135404250 has 32 divisors (see below), whose sum is σ = 337970880. Its totient is φ = 36107600.

The previous prime is 135404239. The next prime is 135404251. The reversal of 135404250 is 52404531.

It is a self number, because there is not a number n which added to its sum of digits gives 135404250.

It is not an unprimeable number, because it can be changed into a prime (135404251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89520 + ... + 91019.

It is an arithmetic number, because the mean of its divisors is an integer number (10561590).

Almost surely, 2^135404250 is an apocalyptic number.

135404250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135404250 is an abundant number, since it is smaller than the sum of its proper divisors (202566630).

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

135404250 is a wasteful number, since it uses less digits than its factorization.

135404250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180559 (or 180549 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 135404250 is about 11636.3331853295. Note that the first 3 decimals coincide. The cubic root of 135404250 is about 513.5043165544.

Adding to 135404250 its reverse (52404531), we get a palindrome (187808781).

The spelling of 135404250 in words is "one hundred thirty-five million, four hundred four thousand, two hundred fifty".