139465607 has 2 divisors, whose sum is σ = 139465608. Its totient is φ = 139465606.

The previous prime is 139465597. The next prime is 139465633. The reversal of 139465607 is 706564931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139465607 - 2¹⁴ = 139449223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139465657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69732803 + 69732804.

It is an arithmetic number, because the mean of its divisors is an integer number (69732804).

Almost surely, 2^139465607 is an apocalyptic number.

139465607 is a deficient number, since it is larger than the sum of its proper divisors (1).

139465607 is an equidigital number, since it uses as much as digits as its factorization.

139465607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 139465607 is about 11809.5557494768. Note that the first 3 decimals coincide. The cubic root of 139465607 is about 518.5878933745.

The spelling of 139465607 in words is "one hundred thirty-nine million, four hundred sixty-five thousand, six hundred seven".