740226139 has 2 divisors, whose sum is σ = 740226140. Its totient is φ = 740226138.

The previous prime is 740226119. The next prime is 740226161. The reversal of 740226139 is 931622047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740226139 - 2¹¹ = 740224091 is a prime.

It is not a weakly prime, because it can be changed into another prime (740226119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370113069 + 370113070.

It is an arithmetic number, because the mean of its divisors is an integer number (370113070).

Almost surely, 2^740226139 is an apocalyptic number.

740226139 is a deficient number, since it is larger than the sum of its proper divisors (1).

740226139 is an equidigital number, since it uses as much as digits as its factorization.

740226139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 740226139 is about 27207.0972174541. The cubic root of 740226139 is about 904.5962970547.

The spelling of 740226139 in words is "seven hundred forty million, two hundred twenty-six thousand, one hundred thirty-nine".