36138497 has 4 divisors (see below), whose sum is σ = 37709760. Its totient is φ = 34567236.

The previous prime is 36138463. The next prime is 36138499. The reversal of 36138497 is 79483163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36138497 - 2⁶ = 36138433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36138499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785597 + ... + 785642.

It is an arithmetic number, because the mean of its divisors is an integer number (9427440).

Almost surely, 2^36138497 is an apocalyptic number.

It is an amenable number.

36138497 is a deficient number, since it is larger than the sum of its proper divisors (1571263).

36138497 is a wasteful number, since it uses less digits than its factorization.

36138497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571262.

The product of its digits is 108864, while the sum is 41.

The square root of 36138497 is about 6011.5303376096. The cubic root of 36138497 is about 330.6156154702.

The spelling of 36138497 in words is "thirty-six million, one hundred thirty-eight thousand, four hundred ninety-seven".