70135746137 has 2 divisors, whose sum is σ = 70135746138. Its totient is φ = 70135746136.

The previous prime is 70135746103. The next prime is 70135746157. The reversal of 70135746137 is 73164753107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69373765321 + 761980816 = 263389^2 + 27604^2 .

It is a cyclic number.

It is not a de Polignac number, because 70135746137 - 2⁸ = 70135745881 is a prime.

It is not a weakly prime, because it can be changed into another prime (70135746157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35067873068 + 35067873069.

It is an arithmetic number, because the mean of its divisors is an integer number (35067873069).

Almost surely, 2^70135746137 is an apocalyptic number.

It is an amenable number.

70135746137 is a deficient number, since it is larger than the sum of its proper divisors (1).

70135746137 is an equidigital number, since it uses as much as digits as its factorization.

70135746137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 70135746137 in words is "seventy billion, one hundred thirty-five million, seven hundred forty-six thousand, one hundred thirty-seven".