134452521 has 24 divisors (see below), whose sum is σ = 231711840. Its totient is φ = 76829256.

The previous prime is 134452519. The next prime is 134452523. The reversal of 134452521 is 125254431.

134452521 is a `hidden beast` number, since 134 + 4 + 5 + 2 + 521 = 666.

It is an interprime number because it is at equal distance from previous prime (134452519) and next prime (134452523).

It is not a de Polignac number, because 134452521 - 2¹ = 134452519 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134452523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49491 + ... + 52136.

It is an arithmetic number, because the mean of its divisors is an integer number (9654660).

Almost surely, 2^134452521 is an apocalyptic number.

It is an amenable number.

134452521 is a deficient number, since it is larger than the sum of its proper divisors (97259319).

134452521 is a wasteful number, since it uses less digits than its factorization.

134452521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101650 (or 101637 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 134452521 is about 11595.3663590246. The cubic root of 134452521 is about 512.2983808157.

The spelling of 134452521 in words is "one hundred thirty-four million, four hundred fifty-two thousand, five hundred twenty-one".