139002763 has 2 divisors, whose sum is σ = 139002764. Its totient is φ = 139002762.

The previous prime is 139002757. The next prime is 139002793. The reversal of 139002763 is 367200931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139002763 - 2¹³ = 138994571 is a prime.

It is not a weakly prime, because it can be changed into another prime (139002793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69501381 + 69501382.

It is an arithmetic number, because the mean of its divisors is an integer number (69501382).

Almost surely, 2^139002763 is an apocalyptic number.

139002763 is a deficient number, since it is larger than the sum of its proper divisors (1).

139002763 is an equidigital number, since it uses as much as digits as its factorization.

139002763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 139002763 is about 11789.9432992699. The cubic root of 139002763 is about 518.0135789983.

The spelling of 139002763 in words is "one hundred thirty-nine million, two thousand, seven hundred sixty-three".