340634155 has 8 divisors (see below), whose sum is σ = 408874752. Its totient is φ = 272431488.

The previous prime is 340634153. The next prime is 340634167. The reversal of 340634155 is 551436043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340634155 - 2¹ = 340634153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340634153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17014 + ... + 31156.

It is an arithmetic number, because the mean of its divisors is an integer number (51109344).

Almost surely, 2^340634155 is an apocalyptic number.

340634155 is a deficient number, since it is larger than the sum of its proper divisors (68240597).

340634155 is a wasteful number, since it uses less digits than its factorization.

340634155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18965.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 340634155 is about 18456.2768455612. The cubic root of 340634155 is about 698.3868670627.

The spelling of 340634155 in words is "three hundred forty million, six hundred thirty-four thousand, one hundred fifty-five".