925743139 has 2 divisors, whose sum is σ = 925743140. Its totient is φ = 925743138.

The previous prime is 925743127. The next prime is 925743157. The reversal of 925743139 is 931347529.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 925743139 - 2⁷ = 925743011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 925743095 and 925743104.

It is not a weakly prime, because it can be changed into another prime (925743439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462871569 + 462871570.

It is an arithmetic number, because the mean of its divisors is an integer number (462871570).

Almost surely, 2^925743139 is an apocalyptic number.

925743139 is a deficient number, since it is larger than the sum of its proper divisors (1).

925743139 is an equidigital number, since it uses as much as digits as its factorization.

925743139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 925743139 is about 30426.0273285883. The cubic root of 925743139 is about 974.6084385178.

The spelling of 925743139 in words is "nine hundred twenty-five million, seven hundred forty-three thousand, one hundred thirty-nine".