140513531346 has 12 divisors (see below), whose sum is σ = 304445984622. Its totient is φ = 46837843776.

The previous prime is 140513531339. The next prime is 140513531357. The reversal of 140513531346 is 643135315041.

140513531346 is a `hidden beast` number, since 1 + 4 + 0 + 513 + 5 + 3 + 134 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117138485025 + 23375046321 = 342255^2 + 152889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140513531346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3903153631 + ... + 3903153666.

Almost surely, 2^140513531346 is an apocalyptic number.

140513531346 is an abundant number, since it is smaller than the sum of its proper divisors (163932453276).

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

140513531346 is a wasteful number, since it uses less digits than its factorization.

140513531346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806307305 (or 7806307302 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 140513531346 its reverse (643135315041), we get a palindrome (783648846387).

The spelling of 140513531346 in words is "one hundred forty billion, five hundred thirteen million, five hundred thirty-one thousand, three hundred forty-six".