70170137 has 2 divisors, whose sum is σ = 70170138. Its totient is φ = 70170136.

The previous prime is 70170131. The next prime is 70170151. The reversal of 70170137 is 73107107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56190016 + 13980121 = 7496^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 70170137 - 2⁶ = 70170073 is a prime.

It is a Chen prime.

It is equal to p_4127462 and since 70170137 and 4127462 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (70170131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35085068 + 35085069.

It is an arithmetic number, because the mean of its divisors is an integer number (35085069).

Almost surely, 2^70170137 is an apocalyptic number.

It is an amenable number.

70170137 is a deficient number, since it is larger than the sum of its proper divisors (1).

70170137 is an equidigital number, since it uses as much as digits as its factorization.

70170137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 70170137 is about 8376.7617251537. The cubic root of 70170137 is about 412.4621565528.

It can be divided in two parts, 70170 and 137, that added together give a palindrome (70307).

The spelling of 70170137 in words is "seventy million, one hundred seventy thousand, one hundred thirty-seven".