340148401 has 2 divisors, whose sum is σ = 340148402. Its totient is φ = 340148400.

The previous prime is 340148381. The next prime is 340148407. The reversal of 340148401 is 104841043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221861025 + 118287376 = 14895^2 + 10876^2 .

It is an emirp because it is prime and its reverse (104841043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340148401 - 2¹⁷ = 340017329 is a prime.

It is not a weakly prime, because it can be changed into another prime (340148407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170074200 + 170074201.

It is an arithmetic number, because the mean of its divisors is an integer number (170074201).

Almost surely, 2^340148401 is an apocalyptic number.

It is an amenable number.

340148401 is a deficient number, since it is larger than the sum of its proper divisors (1).

340148401 is an equidigital number, since it uses as much as digits as its factorization.

340148401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 340148401 is about 18443.1125626885. The cubic root of 340148401 is about 698.0547359533.

Adding to 340148401 its reverse (104841043), we get a palindrome (444989444).

The spelling of 340148401 in words is "three hundred forty million, one hundred forty-eight thousand, four hundred one".