340078541 has 4 divisors (see below), whose sum is σ = 370994784. Its totient is φ = 309162300.

The previous prime is 340078517. The next prime is 340078561. The reversal of 340078541 is 145870043.

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, and also an emirpimes, since its reverse is a distinct semiprime: 145870043 = 11 ⋅13260913.

It is a cyclic number.

It is not a de Polignac number, because 340078541 - 2¹⁸ = 339816397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340078498 and 340078507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340078561) 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, 15458105 + ... + 15458126.

It is an arithmetic number, because the mean of its divisors is an integer number (92748696).

Almost surely, 2^340078541 is an apocalyptic number.

It is an amenable number.

340078541 is a deficient number, since it is larger than the sum of its proper divisors (30916243).

340078541 is a wasteful number, since it uses less digits than its factorization.

340078541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30916242.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 340078541 is about 18441.2185334918. The cubic root of 340078541 is about 698.0069436342.

The spelling of 340078541 in words is "three hundred forty million, seventy-eight thousand, five hundred forty-one".