136726001 has 2 divisors, whose sum is σ = 136726002. Its totient is φ = 136726000.

The previous prime is 136725997. The next prime is 136726067. The reversal of 136726001 is 100627631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136422400 + 303601 = 11680^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 136726001 - 2² = 136725997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136726081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68363000 + 68363001.

It is an arithmetic number, because the mean of its divisors is an integer number (68363001).

Almost surely, 2^136726001 is an apocalyptic number.

It is an amenable number.

136726001 is a deficient number, since it is larger than the sum of its proper divisors (1).

136726001 is an equidigital number, since it uses as much as digits as its factorization.

136726001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 136726001 is about 11692.9893953599. The cubic root of 136726001 is about 515.1697696491.

The spelling of 136726001 in words is "one hundred thirty-six million, seven hundred twenty-six thousand, one".