140794117 has 2 divisors, whose sum is σ = 140794118. Its totient is φ = 140794116.

The previous prime is 140794097. The next prime is 140794141. The reversal of 140794117 is 711497041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134235396 + 6558721 = 11586^2 + 2561^2 .

It is an emirp because it is prime and its reverse (711497041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140794117 - 2¹⁵ = 140761349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140794417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70397058 + 70397059.

It is an arithmetic number, because the mean of its divisors is an integer number (70397059).

Almost surely, 2^140794117 is an apocalyptic number.

It is an amenable number.

140794117 is a deficient number, since it is larger than the sum of its proper divisors (1).

140794117 is an equidigital number, since it uses as much as digits as its factorization.

140794117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 140794117 is about 11865.6696819016. The cubic root of 140794117 is about 520.2293330151.

The spelling of 140794117 in words is "one hundred forty million, seven hundred ninety-four thousand, one hundred seventeen".