140540534404251 has 16 divisors (see below), whose sum is σ = 188727894964224. Its totient is φ = 93024731936384.

The previous prime is 140540534404229. The next prime is 140540534404273. The reversal of 140540534404251 is 152404435045041.

140540534404251 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140540534404229) and next prime (140540534404273).

It is a cyclic number.

It is not a de Polignac number, because 140540534404251 - 2¹⁷ = 140540534273179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140540534404051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162093726 + ... + 162958451.

It is an arithmetic number, because the mean of its divisors is an integer number (11795493435264).

Almost surely, 2^{140540534404251} is an apocalyptic number.

140540534404251 is a deficient number, since it is larger than the sum of its proper divisors (48187360559973).

140540534404251 is a wasteful number, since it uses less digits than its factorization.

140540534404251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325053210.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 140540534404251 its reverse (152404435045041), we get a palindrome (292944969449292).

The spelling of 140540534404251 in words is "one hundred forty trillion, five hundred forty billion, five hundred thirty-four million, four hundred four thousand, two hundred fifty-one".