136070631 has 8 divisors (see below), whose sum is σ = 201586160. Its totient is φ = 90713736.

The previous prime is 136070629. The next prime is 136070651.

136070631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136070631 - 2¹ = 136070629 is a prime.

It is a super-2 number, since 2×136070631² = 37030433241476322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5039653 = 136070631 / (1 + 3 + 6 + 0 + 7 + 0 + 6 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136070595 and 136070604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136070621) 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 in 7 ways as a sum of consecutive naturals, for example, 2519800 + ... + 2519853.

It is an arithmetic number, because the mean of its divisors is an integer number (25198270).

Almost surely, 2^136070631 is an apocalyptic number.

136070631 is a deficient number, since it is larger than the sum of its proper divisors (65515529).

136070631 is an equidigital number, since it uses as much as digits as its factorization.

136070631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039662 (or 5039656 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 136070631 is about 11664.9316757536. The cubic root of 136070631 is about 514.3453283078.

The spelling of 136070631 in words is "one hundred thirty-six million, seventy thousand, six hundred thirty-one".