134354561 has 4 divisors (see below), whose sum is σ = 146568624. Its totient is φ = 122140500.

The previous prime is 134354537. The next prime is 134354579. The reversal of 134354561 is 165453431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134354561 - 2¹⁸ = 134092417 is a prime.

It is a super-2 number, since 2×134354561² = 36102296123005442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134354161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6107015 + ... + 6107036.

It is an arithmetic number, because the mean of its divisors is an integer number (36642156).

Almost surely, 2^134354561 is an apocalyptic number.

134354561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134354561 is a deficient number, since it is larger than the sum of its proper divisors (12214063).

134354561 is a wasteful number, since it uses less digits than its factorization.

134354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214062.

The product of its digits is 21600, while the sum is 32.

The square root of 134354561 is about 11591.1414882228. The cubic root of 134354561 is about 512.1739330630.

The spelling of 134354561 in words is "one hundred thirty-four million, three hundred fifty-four thousand, five hundred sixty-one".