136704401 has 2 divisors, whose sum is σ = 136704402. Its totient is φ = 136704400.

The previous prime is 136704397. The next prime is 136704431. The reversal of 136704401 is 104407631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 62331025 = 8624^2 + 7895^2 .

It is a cyclic number.

It is not a de Polignac number, because 136704401 - 2² = 136704397 is a prime.

It is not a weakly prime, because it can be changed into another prime (136704431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68352200 + 68352201.

It is an arithmetic number, because the mean of its divisors is an integer number (68352201).

Almost surely, 2^136704401 is an apocalyptic number.

It is an amenable number.

136704401 is a deficient number, since it is larger than the sum of its proper divisors (1).

136704401 is an equidigital number, since it uses as much as digits as its factorization.

136704401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 136704401 is about 11692.0657285186. The cubic root of 136704401 is about 515.1426393472.

The spelling of 136704401 in words is "one hundred thirty-six million, seven hundred four thousand, four hundred one".