140991734564 has 24 divisors (see below), whose sum is σ = 252608516160. Its totient is φ = 68819625504.

The previous prime is 140991734563. The next prime is 140991734567. The reversal of 140991734564 is 465437199041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140991734561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105062 + ... + 541314.

It is an arithmetic number, because the mean of its divisors is an integer number (10525354840).

Almost surely, 2^140991734564 is an apocalyptic number.

It is an amenable number.

140991734564 is a deficient number, since it is larger than the sum of its proper divisors (111616781596).

140991734564 is a wasteful number, since it uses less digits than its factorization.

140991734564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438179 (or 438177 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 140991734564 in words is "one hundred forty billion, nine hundred ninety-one million, seven hundred thirty-four thousand, five hundred sixty-four".