140650319 has 4 divisors (see below), whose sum is σ = 145500360. Its totient is φ = 135800280.

The previous prime is 140650297. The next prime is 140650343. The reversal of 140650319 is 913056041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913056041 = 73 ⋅12507617.

It is a cyclic number.

It is not a de Polignac number, because 140650319 - 2⁸ = 140650063 is a prime.

It is a super-2 number, since 2×140650319² = 39565024469603522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4850011 = 140650319 / (1 + 4 + 0 + 6 + 5 + 0 + 3 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140650291 and 140650300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140650019) 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 3 ways as a sum of consecutive naturals, for example, 2424977 + ... + 2425034.

It is an arithmetic number, because the mean of its divisors is an integer number (36375090).

Almost surely, 2^140650319 is an apocalyptic number.

140650319 is a deficient number, since it is larger than the sum of its proper divisors (4850041).

140650319 is an equidigital number, since it uses as much as digits as its factorization.

140650319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850040.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 140650319 is about 11859.6087203584. The cubic root of 140650319 is about 520.0521631596.

The spelling of 140650319 in words is "one hundred forty million, six hundred fifty thousand, three hundred nineteen".