36131647 has 24 divisors (see below), whose sum is σ = 41064320. Its totient is φ = 31726080.

The previous prime is 36131633. The next prime is 36131663. The reversal of 36131647 is 74613163.

It is not a de Polignac number, because 36131647 - 2¹⁹ = 35607359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36131747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331429 + ... + 331537.

Almost surely, 2^36131647 is an apocalyptic number.

36131647 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

36131647 is a deficient number, since it is larger than the sum of its proper divisors (4932673).

36131647 is a wasteful number, since it uses less digits than its factorization.

36131647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 194 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 36131647 is about 6010.9605721548. The cubic root of 36131647 is about 330.5947249125.

The spelling of 36131647 in words is "thirty-six million, one hundred thirty-one thousand, six hundred forty-seven".