140354304520255 has 64 divisors (see below), whose sum is σ = 205074285649920. Its totient is φ = 90019159363584.

The previous prime is 140354304520253. The next prime is 140354304520279. The reversal of 140354304520255 is 552025403453041.

It is a cyclic number.

It is not a de Polignac number, because 140354304520255 - 2¹ = 140354304520253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140354304520253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1517478051 + ... + 1517570539.

It is an arithmetic number, because the mean of its divisors is an integer number (3204285713280).

Almost surely, 2^{140354304520255} is an apocalyptic number.

140354304520255 is a deficient number, since it is larger than the sum of its proper divisors (64719981129665).

140354304520255 is a wasteful number, since it uses less digits than its factorization.

140354304520255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108328.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 140354304520255 its reverse (552025403453041), we get a palindrome (692379707973296).

The spelling of 140354304520255 in words is "one hundred forty trillion, three hundred fifty-four billion, three hundred four million, five hundred twenty thousand, two hundred fifty-five".