215050137 has 8 divisors (see below), whose sum is σ = 286801536. Its totient is φ = 143332752.

The previous prime is 215050117. The next prime is 215050139. The reversal of 215050137 is 731050512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215050137 - 2¹⁰ = 215049113 is a prime.

It is a super-2 number, since 2×215050137² = 92493122847437538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215050139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18543 + ... + 27819.

It is an arithmetic number, because the mean of its divisors is an integer number (35850192).

Almost surely, 2^215050137 is an apocalyptic number.

It is an amenable number.

215050137 is a deficient number, since it is larger than the sum of its proper divisors (71751399).

215050137 is an equidigital number, since it uses as much as digits as its factorization.

215050137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17007.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 215050137 is about 14664.5878564657. The cubic root of 215050137 is about 599.1192048548.

The spelling of 215050137 in words is "two hundred fifteen million, fifty thousand, one hundred thirty-seven".