36131645 has 8 divisors (see below), whose sum is σ = 47299680. Its totient is φ = 26277520.

The previous prime is 36131633. The next prime is 36131663. The reversal of 36131645 is 54613163.

It is a happy number.

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

It is not a de Polignac number, because 36131645 - 2¹⁶ = 36066109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328415 + ... + 328524.

It is an arithmetic number, because the mean of its divisors is an integer number (5912460).

Almost surely, 2^36131645 is an apocalyptic number.

It is an amenable number.

36131645 is a deficient number, since it is larger than the sum of its proper divisors (11168035).

36131645 is a wasteful number, since it uses less digits than its factorization.

36131645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656955.

The product of its digits is 6480, while the sum is 29.

The square root of 36131645 is about 6010.9604057921. The cubic root of 36131645 is about 330.5947188126.

The spelling of 36131645 in words is "thirty-six million, one hundred thirty-one thousand, six hundred forty-five".