135453340410520 has 128 divisors (see below), whose sum is σ = 352081730721600. Its totient is φ = 46352052633600.

The previous prime is 135453340410473. The next prime is 135453340410523. The reversal of 135453340410520 is 25014043354531.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135453340410523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53891410 + ... + 56348830.

Almost surely, 2^{135453340410520} is an apocalyptic number.

135453340410520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135453340410520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176040865360800).

135453340410520 is an abundant number, since it is smaller than the sum of its proper divisors (216628390311080).

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

135453340410520 is a wasteful number, since it uses less digits than its factorization.

135453340410520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464829 (or 2464825 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 135453340410520 in words is "one hundred thirty-five trillion, four hundred fifty-three billion, three hundred forty million, four hundred ten thousand, five hundred twenty".