135504403250 has 32 divisors (see below), whose sum is σ = 268585677360. Its totient is φ = 51013420800.

The previous prime is 135504403249. The next prime is 135504403277. The reversal of 135504403250 is 52304405531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 50225569 + 135454177681 = 7087^2 + 368041^2 .

It is a super-2 number, since 2×135504403250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15937445 + ... + 15945944.

Almost surely, 2^135504403250 is an apocalyptic number.

135504403250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135504403250 is a deficient number, since it is larger than the sum of its proper divisors (133081274110).

135504403250 is a wasteful number, since it uses less digits than its factorization.

135504403250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883423 (or 31883413 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 135504403250 its reverse (52304405531), we get a palindrome (187808808781).

The spelling of 135504403250 in words is "one hundred thirty-five billion, five hundred four million, four hundred three thousand, two hundred fifty".