134456861 has 8 divisors (see below), whose sum is σ = 167634624. Its totient is φ = 104771520.

The previous prime is 134456857. The next prime is 134456891. The reversal of 134456861 is 168654431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134456861 - 2² = 134456857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134456891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873020 + ... + 873173.

It is an arithmetic number, because the mean of its divisors is an integer number (20954328).

Almost surely, 2^134456861 is an apocalyptic number.

134456861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134456861 is a deficient number, since it is larger than the sum of its proper divisors (33177763).

134456861 is a wasteful number, since it uses less digits than its factorization.

134456861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746211.

The product of its digits is 69120, while the sum is 38.

The square root of 134456861 is about 11595.5535012349. The cubic root of 134456861 is about 512.3038929252.

The spelling of 134456861 in words is "one hundred thirty-four million, four hundred fifty-six thousand, eight hundred sixty-one".