134780801 has 4 divisors (see below), whose sum is σ = 134806704. Its totient is φ = 134754900.

The previous prime is 134780797. The next prime is 134780809. The reversal of 134780801 is 108087431.

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 134780801 - 2² = 134780797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134780809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (33701676).

Almost surely, 2^134780801 is an apocalyptic number.

It is an amenable number.

134780801 is a deficient number, since it is larger than the sum of its proper divisors (25903).

134780801 is an equidigital number, since it uses as much as digits as its factorization.

134780801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25902.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 134780801 is about 11609.5133834283. The cubic root of 134780801 is about 512.7149854341.

The spelling of 134780801 in words is "one hundred thirty-four million, seven hundred eighty thousand, eight hundred one".