104135649 has 16 divisors (see below), whose sum is σ = 145026240. Its totient is φ = 66398400.

The previous prime is 104135641. The next prime is 104135663. The reversal of 104135649 is 946531401.

It is not a de Polignac number, because 104135649 - 2³ = 104135641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104135641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (9064140).

Almost surely, 2^104135649 is an apocalyptic number.

It is an amenable number.

104135649 is a deficient number, since it is larger than the sum of its proper divisors (40890591).

104135649 is a wasteful number, since it uses less digits than its factorization.

104135649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 104135649 is about 10204.6875993339. The cubic root of 104135649 is about 470.4713078173.

The spelling of 104135649 in words is "one hundred four million, one hundred thirty-five thousand, six hundred forty-nine".