136197031 has 2 divisors, whose sum is σ = 136197032. Its totient is φ = 136197030.

The previous prime is 136197001. The next prime is 136197041. The reversal of 136197031 is 130791631.

136197031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (130791631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136197031 - 2⁵ = 136196999 is a prime.

It is a super-2 number, since 2×136197031² = 37099262506429922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136196984 and 136197002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136197001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68098515 + 68098516.

It is an arithmetic number, because the mean of its divisors is an integer number (68098516).

Almost surely, 2^136197031 is an apocalyptic number.

136197031 is a deficient number, since it is larger than the sum of its proper divisors (1).

136197031 is an equidigital number, since it uses as much as digits as its factorization.

136197031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 136197031 is about 11670.3483666941. The cubic root of 136197031 is about 514.5045425053.

The spelling of 136197031 in words is "one hundred thirty-six million, one hundred ninety-seven thousand, thirty-one".