140040434013140 has 12 divisors (see below), whose sum is σ = 294084911427636. Its totient is φ = 56016173605248.

The previous prime is 140040434013127. The next prime is 140040434013143. The reversal of 140040434013140 is 41310434040041.

It can be written as a sum of positive squares in 2 ways, for example, as 60959929443856 + 79080504569284 = 7807684^2 + 8892722^2 .

It is a super-2 number, since 2×140040434013140² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140040434013143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501010850309 + ... + 3501010850348.

It is an arithmetic number, because the mean of its divisors is an integer number (24507075952303).

Almost surely, 2^{140040434013140} is an apocalyptic number.

140040434013140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140040434013140 is an abundant number, since it is smaller than the sum of its proper divisors (154044477414496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140040434013140 is a wasteful number, since it uses less digits than its factorization.

140040434013140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002021700666 (or 7002021700664 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140040434013140 its reverse (41310434040041), we get a palindrome (181350868053181).

The spelling of 140040434013140 in words is "one hundred forty trillion, forty billion, four hundred thirty-four million, thirteen thousand, one hundred forty".