136312601 has 2 divisors, whose sum is σ = 136312602. Its totient is φ = 136312600.

The previous prime is 136312591. The next prime is 136312609. The reversal of 136312601 is 106213631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121528576 + 14784025 = 11024^2 + 3845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136312601 is a prime.

It is a super-2 number, since 2×136312601² = 37162250382770402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136312609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68156300 + 68156301.

It is an arithmetic number, because the mean of its divisors is an integer number (68156301).

Almost surely, 2^136312601 is an apocalyptic number.

It is an amenable number.

136312601 is a deficient number, since it is larger than the sum of its proper divisors (1).

136312601 is an equidigital number, since it uses as much as digits as its factorization.

136312601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 136312601 is about 11675.2987542075. The cubic root of 136312601 is about 514.6500289838.

The spelling of 136312601 in words is "one hundred thirty-six million, three hundred twelve thousand, six hundred one".