136197001 has 2 divisors, whose sum is σ = 136197002. Its totient is φ = 136197000.

The previous prime is 136196999. The next prime is 136197031. The reversal of 136197001 is 100791631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134444025 + 1752976 = 11595^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 136197001 - 2¹ = 136196999 is a prime.

Together with 136196999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136197031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68098500 + 68098501.

It is an arithmetic number, because the mean of its divisors is an integer number (68098501).

Almost surely, 2^136197001 is an apocalyptic number.

It is an amenable number.

136197001 is a deficient number, since it is larger than the sum of its proper divisors (1).

136197001 is an equidigital number, since it uses as much as digits as its factorization.

136197001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 136197001 is about 11670.3470813854. The cubic root of 136197001 is about 514.5045047288.

The spelling of 136197001 in words is "one hundred thirty-six million, one hundred ninety-seven thousand, one".