140540534404252 has 12 divisors (see below), whose sum is σ = 245946475172160. Its totient is φ = 70270112926496.

The previous prime is 140540534404229. The next prime is 140540534404273. The reversal of 140540534404252 is 252404435045041.

It is a super-3 number, since 3×140540534404252³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140540534404199 and 140540534404208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36506977 + ... + 40172632.

It is an arithmetic number, because the mean of its divisors is an integer number (20495539597680).

Almost surely, 2^{140540534404252} is an apocalyptic number.

It is an amenable number.

140540534404252 is a deficient number, since it is larger than the sum of its proper divisors (105405940767908).

140540534404252 is a wasteful number, since it uses less digits than its factorization.

140540534404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77137820 (or 77137818 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 140540534404252 its reverse (252404435045041), we get a palindrome (392944969449293).

The spelling of 140540534404252 in words is "one hundred forty trillion, five hundred forty billion, five hundred thirty-four million, four hundred four thousand, two hundred fifty-two".