36140531 has 4 divisors (see below), whose sum is σ = 41303472. Its totient is φ = 30977592.

The previous prime is 36140519. The next prime is 36140539. The reversal of 36140531 is 13504163.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36140531 - 2¹⁴ = 36124147 is a prime.

It is a super-2 number, since 2×36140531² = 2612275961923922, which contains 22 as substring.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 36140497 and 36140506.

It is not an unprimeable number, because it can be changed into a prime (36140539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581460 + ... + 2581473.

It is an arithmetic number, because the mean of its divisors is an integer number (10325868).

Almost surely, 2^36140531 is an apocalyptic number.

36140531 is a deficient number, since it is larger than the sum of its proper divisors (5162941).

36140531 is an equidigital number, since it uses as much as digits as its factorization.

36140531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162940.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 36140531 is about 6011.6995101219. The cubic root of 36140531 is about 330.6218180851.

Adding to 36140531 its reverse (13504163), we get a palindrome (49644694).

The spelling of 36140531 in words is "thirty-six million, one hundred forty thousand, five hundred thirty-one".