139070137 has 2 divisors, whose sum is σ = 139070138. Its totient is φ = 139070136.

The previous prime is 139070131. The next prime is 139070143. The reversal of 139070137 is 731070931.

It is a balanced prime because it is at equal distance from previous prime (139070131) and next prime (139070143).

It can be written as a sum of positive squares in only one way, i.e., 108555561 + 30514576 = 10419^2 + 5524^2 .

It is an emirp because it is prime and its reverse (731070931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139070137 - 2²⁷ = 4852409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139070099 and 139070108.

It is not a weakly prime, because it can be changed into another prime (139070131) 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, 69535068 + 69535069.

It is an arithmetic number, because the mean of its divisors is an integer number (69535069).

Almost surely, 2^139070137 is an apocalyptic number.

It is an amenable number.

139070137 is a deficient number, since it is larger than the sum of its proper divisors (1).

139070137 is an equidigital number, since it uses as much as digits as its factorization.

139070137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 139070137 is about 11792.8002187776. The cubic root of 139070137 is about 518.0972584133.

The spelling of 139070137 in words is "one hundred thirty-nine million, seventy thousand, one hundred thirty-seven".