136553407 has 2 divisors, whose sum is σ = 136553408. Its totient is φ = 136553406.

The previous prime is 136553371. The next prime is 136553447. The reversal of 136553407 is 704355631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136553407 - 2⁷ = 136553279 is a prime.

It is equal to p_7728361 and since 136553407 and 7728361 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136553447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68276703 + 68276704.

It is an arithmetic number, because the mean of its divisors is an integer number (68276704).

Almost surely, 2^136553407 is an apocalyptic number.

136553407 is a deficient number, since it is larger than the sum of its proper divisors (1).

136553407 is an equidigital number, since it uses as much as digits as its factorization.

136553407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 136553407 is about 11685.6068306272. The cubic root of 136553407 is about 514.9529061156.

The spelling of 136553407 in words is "one hundred thirty-six million, five hundred fifty-three thousand, four hundred seven".