140780551747 has 16 divisors (see below), whose sum is σ = 154803179520. Its totient is φ = 126966038400.

The previous prime is 140780551733. The next prime is 140780551763. The reversal of 140780551747 is 747155087041.

It is a cyclic number.

It is not a de Polignac number, because 140780551747 - 2¹¹ = 140780549699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140780551747.

It is not an unprimeable number, because it can be changed into a prime (140780551777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596254 + ... + 798172.

It is an arithmetic number, because the mean of its divisors is an integer number (9675198720).

Almost surely, 2^140780551747 is an apocalyptic number.

140780551747 is a deficient number, since it is larger than the sum of its proper divisors (14022627773).

140780551747 is a wasteful number, since it uses less digits than its factorization.

140780551747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202434.

The product of its (nonzero) digits is 1097600, while the sum is 49.

The spelling of 140780551747 in words is "one hundred forty billion, seven hundred eighty million, five hundred fifty-one thousand, seven hundred forty-seven".