140730531262646 has 16 divisors (see below), whose sum is σ = 227749536483504. Its totient is φ = 64833809642784.

The previous prime is 140730531262591. The next prime is 140730531262663. The reversal of 140730531262646 is 646262135037041.

It is a junction number, because it is equal to n+sod(n) for n = 140730531262594 and 140730531262603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947620825 + ... + 4947649268.

It is an arithmetic number, because the mean of its divisors is an integer number (14234346030219).

Almost surely, 2^{140730531262646} is an apocalyptic number.

140730531262646 is a deficient number, since it is larger than the sum of its proper divisors (87019005220858).

140730531262646 is a wasteful number, since it uses less digits than its factorization.

140730531262646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895270655.

The product of its (nonzero) digits is 4354560, while the sum is 50.

Adding to 140730531262646 its reverse (646262135037041), we get a palindrome (786992666299687).

The spelling of 140730531262646 in words is "one hundred forty trillion, seven hundred thirty billion, five hundred thirty-one million, two hundred sixty-two thousand, six hundred forty-six".