3136605645 has 8 divisors (see below), whose sum is σ = 5018569056. Its totient is φ = 1672856336.

The previous prime is 3136605599. The next prime is 3136605649. The reversal of 3136605645 is 5465066313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3136605645 - 2¹⁰ = 3136604621 is a prime.

It is a super-3 number, since 3×3136605645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3136605649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104553507 + ... + 104553536.

It is an arithmetic number, because the mean of its divisors is an integer number (627321132).

Almost surely, 2^3136605645 is an apocalyptic number.

It is an amenable number.

3136605645 is a deficient number, since it is larger than the sum of its proper divisors (1881963411).

3136605645 is a wasteful number, since it uses less digits than its factorization.

3136605645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209107051.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 3136605645 is about 56005.4072835829. The cubic root of 3136605645 is about 1463.8165058438.

The spelling of 3136605645 in words is "three billion, one hundred thirty-six million, six hundred five thousand, six hundred forty-five".