140454540536 has 8 divisors (see below), whose sum is σ = 263352263520. Its totient is φ = 70227270264.

The previous prime is 140454540533. The next prime is 140454540559. The reversal of 140454540536 is 635045454041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 140454540493 and 140454540502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140454540533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8778408776 + ... + 8778408791.

It is an arithmetic number, because the mean of its divisors is an integer number (32919032940).

Almost surely, 2^140454540536 is an apocalyptic number.

It is an amenable number.

140454540536 is a deficient number, since it is larger than the sum of its proper divisors (122897722984).

140454540536 is a wasteful number, since it uses less digits than its factorization.

140454540536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556817573 (or 17556817569 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 140454540536 its reverse (635045454041), we get a palindrome (775499994577).

The spelling of 140454540536 in words is "one hundred forty billion, four hundred fifty-four million, five hundred forty thousand, five hundred thirty-six".