340134455 has 4 divisors (see below), whose sum is σ = 408161352. Its totient is φ = 272107560.

The previous prime is 340134433. The next prime is 340134463. The reversal of 340134455 is 554431043.

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

It is not a de Polignac number, because 340134455 - 2⁸ = 340134199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34013441 + ... + 34013450.

It is an arithmetic number, because the mean of its divisors is an integer number (102040338).

Almost surely, 2^340134455 is an apocalyptic number.

340134455 is a deficient number, since it is larger than the sum of its proper divisors (68026897).

340134455 is an equidigital number, since it uses as much as digits as its factorization.

340134455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68026896.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 340134455 is about 18442.7344772948. The cubic root of 340134455 is about 698.0451957993.

Adding to 340134455 its reverse (554431043), we get a palindrome (894565498).

The spelling of 340134455 in words is "three hundred forty million, one hundred thirty-four thousand, four hundred fifty-five".