135144525250 has 128 divisors (see below), whose sum is σ = 307051430400. Its totient is φ = 43506892800.

The previous prime is 135144525233. The next prime is 135144525283. The reversal of 135144525250 is 52525441531.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3739266 + ... + 3775234.

It is an arithmetic number, because the mean of its divisors is an integer number (2398839300).

Almost surely, 2^135144525250 is an apocalyptic number.

135144525250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135144525250 is an abundant number, since it is smaller than the sum of its proper divisors (171906905150).

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

135144525250 is a wasteful number, since it uses less digits than its factorization.

135144525250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36125 (or 36115 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 135144525250 its reverse (52525441531), we get a palindrome (187669966781).

The spelling of 135144525250 in words is "one hundred thirty-five billion, one hundred forty-four million, five hundred twenty-five thousand, two hundred fifty".