135435521054990 has 24 divisors (see below), whose sum is σ = 263979057018168. Its totient is φ = 50006961619680.

The previous prime is 135435521054989. The next prime is 135435521055013. The reversal of 135435521054990 is 99450125534531.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40069679096 + ... + 40069682475.

It is an arithmetic number, because the mean of its divisors is an integer number (10999127375757).

Almost surely, 2^{135435521054990} is an apocalyptic number.

135435521054990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135435521054990 is a deficient number, since it is larger than the sum of its proper divisors (128543535963178).

135435521054990 is a wasteful number, since it uses less digits than its factorization.

135435521054990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80139361604 (or 80139361591 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 56.

The spelling of 135435521054990 in words is "one hundred thirty-five trillion, four hundred thirty-five billion, five hundred twenty-one million, fifty-four thousand, nine hundred ninety".