136606645 has 16 divisors (see below), whose sum is σ = 198367488. Its totient is φ = 88162560.

The previous prime is 136606643. The next prime is 136606649. The reversal of 136606645 is 546606631.

136606645 = T₃₅₈ + T₃₅₉ + ... + T₉₅₂.

It is not a de Polignac number, because 136606645 - 2¹ = 136606643 is a prime.

It is a super-2 number, since 2×136606645² = 37322750916312050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136606643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114201 + ... + 115390.

It is an arithmetic number, because the mean of its divisors is an integer number (12397968).

Almost surely, 2^136606645 is an apocalyptic number.

It is an amenable number.

136606645 is a deficient number, since it is larger than the sum of its proper divisors (61760843).

136606645 is a wasteful number, since it uses less digits than its factorization.

136606645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229620.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 136606645 is about 11687.8845391285. The cubic root of 136606645 is about 515.0198188873.

The spelling of 136606645 in words is "one hundred thirty-six million, six hundred six thousand, six hundred forty-five".