134801665 has 8 divisors (see below), whose sum is σ = 164040768. Its totient is φ = 106322160.

The previous prime is 134801651. The next prime is 134801707. The reversal of 134801665 is 566108431.

It is a happy number.

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

It is not a de Polignac number, because 134801665 - 2¹⁵ = 134768897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134801665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189507 + ... + 190216.

It is an arithmetic number, because the mean of its divisors is an integer number (20505096).

Almost surely, 2^134801665 is an apocalyptic number.

It is an amenable number.

134801665 is a deficient number, since it is larger than the sum of its proper divisors (29239103).

134801665 is an equidigital number, since it uses as much as digits as its factorization.

134801665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379799.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 134801665 is about 11610.4119220637. The cubic root of 134801665 is about 512.7414400761.

The spelling of 134801665 in words is "one hundred thirty-four million, eight hundred one thousand, six hundred sixty-five".