139002793 has 2 divisors, whose sum is σ = 139002794. Its totient is φ = 139002792.

The previous prime is 139002763. The next prime is 139002811. The reversal of 139002793 is 397200931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133010089 + 5992704 = 11533^2 + 2448^2 .

It is a cyclic number.

It is not a de Polignac number, because 139002793 - 2¹⁷ = 138871721 is a prime.

It is not a weakly prime, because it can be changed into another prime (139002763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69501396 + 69501397.

It is an arithmetic number, because the mean of its divisors is an integer number (69501397).

Almost surely, 2^139002793 is an apocalyptic number.

It is an amenable number.

139002793 is a deficient number, since it is larger than the sum of its proper divisors (1).

139002793 is an equidigital number, since it uses as much as digits as its factorization.

139002793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 139002793 is about 11789.9445715406. The cubic root of 139002793 is about 518.0136162648.

The spelling of 139002793 in words is "one hundred thirty-nine million, two thousand, seven hundred ninety-three".