139952707 has 2 divisors, whose sum is σ = 139952708. Its totient is φ = 139952706.

The previous prime is 139952669. The next prime is 139952711. The reversal of 139952707 is 707259931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139952707 - 2²³ = 131564099 is a prime.

It is not a weakly prime, because it can be changed into another prime (139952717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69976353 + 69976354.

It is an arithmetic number, because the mean of its divisors is an integer number (69976354).

Almost surely, 2^139952707 is an apocalyptic number.

139952707 is a deficient number, since it is larger than the sum of its proper divisors (1).

139952707 is an equidigital number, since it uses as much as digits as its factorization.

139952707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 139952707 is about 11830.1609033859. The cubic root of 139952707 is about 519.1909348803.

The spelling of 139952707 in words is "one hundred thirty-nine million, nine hundred fifty-two thousand, seven hundred seven".