134552661 has 16 divisors (see below), whose sum is σ = 189696000. Its totient is φ = 84598128.

The previous prime is 134552591. The next prime is 134552669. The reversal of 134552661 is 166255431.

It is not a de Polignac number, because 134552661 - 2⁷ = 134552533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134552669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7740 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (11856000).

Almost surely, 2^134552661 is an apocalyptic number.

It is an amenable number.

134552661 is a deficient number, since it is larger than the sum of its proper divisors (55143339).

134552661 is a wasteful number, since it uses less digits than its factorization.

134552661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10648.

The product of its digits is 21600, while the sum is 33.

The square root of 134552661 is about 11599.6836594797. The cubic root of 134552661 is about 512.4255355622.

The spelling of 134552661 in words is "one hundred thirty-four million, five hundred fifty-two thousand, six hundred sixty-one".