136395031 has 2 divisors, whose sum is σ = 136395032. Its totient is φ = 136395030.

The previous prime is 136394953. The next prime is 136395041. The reversal of 136395031 is 130593631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136395031 - 2¹¹ = 136392983 is a prime.

It is a super-2 number, since 2×136395031² = 37207208962981922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136394984 and 136395002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136395041) 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, 68197515 + 68197516.

It is an arithmetic number, because the mean of its divisors is an integer number (68197516).

Almost surely, 2^136395031 is an apocalyptic number.

136395031 is a deficient number, since it is larger than the sum of its proper divisors (1).

136395031 is an equidigital number, since it uses as much as digits as its factorization.

136395031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 136395031 is about 11678.8283230810. The cubic root of 136395031 is about 514.7537465988.

The spelling of 136395031 in words is "one hundred thirty-six million, three hundred ninety-five thousand, thirty-one".