140840255601 has 32 divisors (see below), whose sum is σ = 214196113920. Its totient is φ = 91419466752.

The previous prime is 140840255599. The next prime is 140840255629. The reversal of 140840255601 is 106552048041.

It is a happy number.

140840255601 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 40 + 2 + 5 + 5 + 601 = 666.

It is not a de Polignac number, because 140840255601 - 2¹ = 140840255599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140840255681) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42610 + ... + 532443.

It is an arithmetic number, because the mean of its divisors is an integer number (6693628560).

Almost surely, 2^140840255601 is an apocalyptic number.

It is an amenable number.

140840255601 is a deficient number, since it is larger than the sum of its proper divisors (73355858319).

140840255601 is a wasteful number, since it uses less digits than its factorization.

140840255601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575302 (or 575296 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 140840255601 in words is "one hundred forty billion, eight hundred forty million, two hundred fifty-five thousand, six hundred one".