500040137 has 4 divisors (see below), whose sum is σ = 516170496. Its totient is φ = 483909780.

The previous prime is 500040113. The next prime is 500040143. The reversal of 500040137 is 731040005.

It is a happy number.

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: 731040005 = 5 ⋅146208001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500040137 is a prime.

It is a super-2 number, since 2×500040137² = 500080277221957538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500040197) 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, 8065133 + ... + 8065194.

It is an arithmetic number, because the mean of its divisors is an integer number (129042624).

Almost surely, 2^500040137 is an apocalyptic number.

It is an amenable number.

500040137 is a deficient number, since it is larger than the sum of its proper divisors (16130359).

500040137 is a wasteful number, since it uses less digits than its factorization.

500040137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130358.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 500040137 is about 22361.5772475915. The cubic root of 500040137 is about 793.7217632545.

The spelling of 500040137 in words is "five hundred million, forty thousand, one hundred thirty-seven".