140730611 has 8 divisors (see below), whose sum is σ = 161644800. Its totient is φ = 120018888.

The previous prime is 140730563. The next prime is 140730637. The reversal of 140730611 is 116037041.

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

It is a cyclic number.

It is not a de Polignac number, because 140730611 - 2⁶ = 140730547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140730671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49121 + ... + 51906.

It is an arithmetic number, because the mean of its divisors is an integer number (20205600).

Almost surely, 2^140730611 is an apocalyptic number.

140730611 is a deficient number, since it is larger than the sum of its proper divisors (20914189).

140730611 is a wasteful number, since it uses less digits than its factorization.

140730611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101233.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 140730611 is about 11862.9933406371. The cubic root of 140730611 is about 520.1511037698.

Adding to 140730611 its reverse (116037041), we get a palindrome (256767652).

The spelling of 140730611 in words is "one hundred forty million, seven hundred thirty thousand, six hundred eleven".