340134401 has 4 divisors (see below), whose sum is σ = 348430404. Its totient is φ = 331838400.

The previous prime is 340134397. The next prime is 340134433. The reversal of 340134401 is 104431043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27552001 + 312582400 = 5249^2 + 17680^2 .

It is a cyclic number.

It is not a de Polignac number, because 340134401 - 2² = 340134397 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 (340134491) 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, 4147940 + ... + 4148021.

It is an arithmetic number, because the mean of its divisors is an integer number (87107601).

Almost surely, 2^340134401 is an apocalyptic number.

It is an amenable number.

340134401 is a deficient number, since it is larger than the sum of its proper divisors (8296003).

340134401 is an equidigital number, since it uses as much as digits as its factorization.

340134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8296002.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 340134401 is about 18442.7330133036. The cubic root of 340134401 is about 698.0451588586.

Adding to 340134401 its reverse (104431043), we get a palindrome (444565444).

The spelling of 340134401 in words is "three hundred forty million, one hundred thirty-four thousand, four hundred one".