340252021135 has 32 divisors (see below), whose sum is σ = 464550992640. Its totient is φ = 237437050368.

The previous prime is 340252021069. The next prime is 340252021139. The reversal of 340252021135 is 531120252043.

It is a cyclic number.

It is not a de Polignac number, because 340252021135 - 2⁷ = 340252021007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340252021139) 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, 1831672 + ... + 2008861.

It is an arithmetic number, because the mean of its divisors is an integer number (14517218520).

Almost surely, 2^340252021135 is an apocalyptic number.

340252021135 is a deficient number, since it is larger than the sum of its proper divisors (124298971505).

340252021135 is a wasteful number, since it uses less digits than its factorization.

340252021135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840627.

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

Adding to 340252021135 its reverse (531120252043), we get a palindrome (871372273178).

The spelling of 340252021135 in words is "three hundred forty billion, two hundred fifty-two million, twenty-one thousand, one hundred thirty-five".