135074654520 has 128 divisors (see below), whose sum is σ = 450472458240. Its totient is φ = 32176581120.

The previous prime is 135074654513. The next prime is 135074654527. The reversal of 135074654520 is 25456470531.

It is an interprime number because it is at equal distance from previous prime (135074654513) and next prime (135074654527).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135074654527) 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, 1348194 + ... + 1444913.

It is an arithmetic number, because the mean of its divisors is an integer number (3519316080).

Almost surely, 2^135074654520 is an apocalyptic number.

135074654520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135074654520 is an abundant number, since it is smaller than the sum of its proper divisors (315397803720).

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

135074654520 is a wasteful number, since it uses less digits than its factorization.

135074654520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793165 (or 2793161 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 135074654520 in words is "one hundred thirty-five billion, seventy-four million, six hundred fifty-four thousand, five hundred twenty".