140747442607851 has 16 divisors (see below), whose sum is σ = 188297390631168. Its totient is φ = 93514659941600.

The previous prime is 140747442607843. The next prime is 140747442607853. The reversal of 140747442607851 is 158706244747041.

It is a cyclic number.

It is not a de Polignac number, because 140747442607851 - 2³ = 140747442607843 is a prime.

It is a super-2 number, since 2×140747442607851² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140747442607853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6582396 + ... + 18022841.

It is an arithmetic number, because the mean of its divisors is an integer number (11768586914448).

Almost surely, 2^{140747442607851} is an apocalyptic number.

140747442607851 is a deficient number, since it is larger than the sum of its proper divisors (47549948023317).

140747442607851 is a wasteful number, since it uses less digits than its factorization.

140747442607851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24611682.

The product of its (nonzero) digits is 42147840, while the sum is 60.

The spelling of 140747442607851 in words is "one hundred forty trillion, seven hundred forty-seven billion, four hundred forty-two million, six hundred seven thousand, eight hundred fifty-one".