36140497 has 4 divisors (see below), whose sum is σ = 36546660. Its totient is φ = 35734336.

The previous prime is 36140483. The next prime is 36140501. The reversal of 36140497 is 79404163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79404163 = 157 ⋅505759.

It can be written as a sum of positive squares in 2 ways, for example, as 11943936 + 24196561 = 3456^2 + 4919^2 .

It is a cyclic number.

It is not a de Polignac number, because 36140497 - 2⁷ = 36140369 is a prime.

It is a super-2 number, since 2×36140497² = 2612271046814018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36140407) 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, 202948 + ... + 203125.

It is an arithmetic number, because the mean of its divisors is an integer number (9136665).

Almost surely, 2^36140497 is an apocalyptic number.

It is an amenable number.

36140497 is a deficient number, since it is larger than the sum of its proper divisors (406163).

36140497 is an equidigital number, since it uses as much as digits as its factorization.

36140497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406162.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 36140497 is about 6011.6966823019. The cubic root of 36140497 is about 330.6217144052.

The spelling of 36140497 in words is "thirty-six million, one hundred forty thousand, four hundred ninety-seven".