3136945 has 8 divisors (see below), whose sum is σ = 4302144. Its totient is φ = 2151024.

The previous prime is 3136943. The next prime is 3136949. The reversal of 3136945 is 5496313.

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 3136945 - 2¹ = 3136943 is a prime.

3136945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3136943) 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, 44779 + ... + 44848.

It is an arithmetic number, because the mean of its divisors is an integer number (537768).

Almost surely, 2^3136945 is an apocalyptic number.

3136945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3136945 is a deficient number, since it is larger than the sum of its proper divisors (1165199).

3136945 is an equidigital number, since it uses as much as digits as its factorization.

3136945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89639.

The product of its digits is 9720, while the sum is 31.

The square root of 3136945 is about 1771.1422867743. The cubic root of 3136945 is about 146.3869294919.

The spelling of 3136945 in words is "three million, one hundred thirty-six thousand, nine hundred forty-five".