741139391 has 2 divisors, whose sum is σ = 741139392. Its totient is φ = 741139390.

The previous prime is 741139387. The next prime is 741139397. The reversal of 741139391 is 193931147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 741139391 - 2² = 741139387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (741139397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370569695 + 370569696.

It is an arithmetic number, because the mean of its divisors is an integer number (370569696).

Almost surely, 2^741139391 is an apocalyptic number.

741139391 is a deficient number, since it is larger than the sum of its proper divisors (1).

741139391 is an equidigital number, since it uses as much as digits as its factorization.

741139391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 741139391 is about 27223.8753854039. The cubic root of 741139391 is about 904.9681585818.

The spelling of 741139391 in words is "seven hundred forty-one million, one hundred thirty-nine thousand, three hundred ninety-one".