36890137 has 4 divisors (see below), whose sum is σ = 38494080. Its totient is φ = 35286196.

The previous prime is 36890123. The next prime is 36890143. The reversal of 36890137 is 73109863.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73109863 = 47 ⋅1555529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36890137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36890096 and 36890105.

It is not an unprimeable number, because it can be changed into a prime (36890237) 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, 801937 + ... + 801982.

It is an arithmetic number, because the mean of its divisors is an integer number (9623520).

Almost surely, 2^36890137 is an apocalyptic number.

It is an amenable number.

36890137 is a deficient number, since it is larger than the sum of its proper divisors (1603943).

36890137 is a wasteful number, since it uses less digits than its factorization.

36890137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603942.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 36890137 is about 6073.7251337215. The cubic root of 36890137 is about 332.8920492852.

The spelling of 36890137 in words is "thirty-six million, eight hundred ninety thousand, one hundred thirty-seven".