340142030155 has 32 divisors (see below), whose sum is σ = 440072101440. Its totient is φ = 251445841920.

The previous prime is 340142030141. The next prime is 340142030159. The reversal of 340142030155 is 551030241043.

It is not a de Polignac number, because 340142030155 - 2²⁷ = 340007812427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340142030159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2776231 + ... + 2896159.

It is an arithmetic number, because the mean of its divisors is an integer number (13752253170).

Almost surely, 2^340142030155 is an apocalyptic number.

340142030155 is a deficient number, since it is larger than the sum of its proper divisors (99930071285).

340142030155 is a wasteful number, since it uses less digits than its factorization.

340142030155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120559.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 340142030155 its reverse (551030241043), we get a palindrome (891172271198).

The spelling of 340142030155 in words is "three hundred forty billion, one hundred forty-two million, thirty thousand, one hundred fifty-five".