340256153 has 4 divisors (see below), whose sum is σ = 340616400. Its totient is φ = 339895908.

The previous prime is 340256141. The next prime is 340256179. The reversal of 340256153 is 351652043.

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: 351652043 = 619 ⋅568097.

It is a cyclic number.

It is not a de Polignac number, because 340256153 - 2⁸ = 340255897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340256183) 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, 178703 + ... + 180596.

It is an arithmetic number, because the mean of its divisors is an integer number (85154100).

Almost surely, 2^340256153 is an apocalyptic number.

It is an amenable number.

340256153 is a deficient number, since it is larger than the sum of its proper divisors (360247).

340256153 is an equidigital number, since it uses as much as digits as its factorization.

340256153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360246.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 340256153 is about 18446.0335302742. The cubic root of 340256153 is about 698.1284379539.

The spelling of 340256153 in words is "three hundred forty million, two hundred fifty-six thousand, one hundred fifty-three".