140055738 has 8 divisors (see below), whose sum is σ = 280111488. Its totient is φ = 46685244.

The previous prime is 140055731. The next prime is 140055743. The reversal of 140055738 is 837550041.

It is a sphenic number, since it is the product of 3 distinct primes.

140055738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 140055699 and 140055708.

It is not an unprimeable number, because it can be changed into a prime (140055731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11671306 + ... + 11671317.

It is an arithmetic number, because the mean of its divisors is an integer number (35013936).

Almost surely, 2^140055738 is an apocalyptic number.

140055738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140055738 is a wasteful number, since it uses less digits than its factorization.

140055738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342628.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 140055738 is about 11834.5146922043. The cubic root of 140055738 is about 519.3183103842.

The spelling of 140055738 in words is "one hundred forty million, fifty-five thousand, seven hundred thirty-eight".