340135023555 has 128 divisors (see below), whose sum is σ = 667648051200. Its totient is φ = 163528409088.

The previous prime is 340135023551. The next prime is 340135023563. The reversal of 340135023555 is 555320531043.

340135023555 is a `hidden beast` number, since 3 + 40 + 13 + 50 + 2 + 3 + 555 = 666.

It is not a de Polignac number, because 340135023555 - 2² = 340135023551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340135023551) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11371099 + ... + 11400971.

It is an arithmetic number, because the mean of its divisors is an integer number (5216000400).

Almost surely, 2^340135023555 is an apocalyptic number.

340135023555 is a deficient number, since it is larger than the sum of its proper divisors (327513027645).

340135023555 is a wasteful number, since it uses less digits than its factorization.

340135023555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30122 (or 30116 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 340135023555 its reverse (555320531043), we get a palindrome (895455554598).

The spelling of 340135023555 in words is "three hundred forty billion, one hundred thirty-five million, twenty-three thousand, five hundred fifty-five".