140051535778 has 64 divisors (see below), whose sum is σ = 291917260800. Its totient is φ = 48652842240.

The previous prime is 140051535773. The next prime is 140051535781. The reversal of 140051535778 is 877535150041.

140051535778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140051535778² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140051535773) 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 31 ways as a sum of consecutive naturals, for example, 1358038 + ... + 1457521.

It is an arithmetic number, because the mean of its divisors is an integer number (4561207200).

Almost surely, 2^140051535778 is an apocalyptic number.

140051535778 is an abundant number, since it is smaller than the sum of its proper divisors (151865725022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140051535778 is a wasteful number, since it uses less digits than its factorization.

140051535778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815615.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 140051535778 in words is "one hundred forty billion, fifty-one million, five hundred thirty-five thousand, seven hundred seventy-eight".