135440521105010 has 128 divisors (see below), whose sum is σ = 270522685440000. Its totient is φ = 48409831008000.

The previous prime is 135440521104929. The next prime is 135440521105051. The reversal of 135440521105010 is 10501125044531.

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, 3862097756 + ... + 3862132824.

It is an arithmetic number, because the mean of its divisors is an integer number (2113458480000).

Almost surely, 2^{135440521105010} is an apocalyptic number.

135440521105010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135440521105010 is a deficient number, since it is larger than the sum of its proper divisors (135082164334990).

135440521105010 is a wasteful number, since it uses less digits than its factorization.

135440521105010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36648.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 135440521105010 its reverse (10501125044531), we get a palindrome (145941646149541).

It can be divided in two parts, 135440521 and 105010, that added together give a palindrome (135545531).

The spelling of 135440521105010 in words is "one hundred thirty-five trillion, four hundred forty billion, five hundred twenty-one million, one hundred five thousand, ten".