134164653520 has 40 divisors (see below), whose sum is σ = 312816547656. Its totient is φ = 53513822208.

The previous prime is 134164653517. The next prime is 134164653533. The reversal of 134164653520 is 25356461431.

It can be written as a sum of positive squares in 4 ways, for example, as 445716544 + 133718936976 = 21112^2 + 365676^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347197 + ... + 2403676.

Almost surely, 2^134164653520 is an apocalyptic number.

134164653520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134164653520 is an abundant number, since it is smaller than the sum of its proper divisors (178651894136).

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

134164653520 is a wasteful number, since it uses less digits than its factorization.

134164653520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751239 (or 4751233 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 134164653520 in words is "one hundred thirty-four billion, one hundred sixty-four million, six hundred fifty-three thousand, five hundred twenty".