1028218137 has 8 divisors (see below), whose sum is σ = 1415182080. Its totient is φ = 663366480.

The previous prime is 1028218127. The next prime is 1028218159. The reversal of 1028218137 is 7318128201.

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

It is not a de Polignac number, because 1028218137 - 2²³ = 1019829529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1028218098 and 1028218107.

It is not an unprimeable number, because it can be changed into a prime (1028218127) 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, 5527962 + ... + 5528147.

It is an arithmetic number, because the mean of its divisors is an integer number (176897760).

Almost surely, 2^1028218137 is an apocalyptic number.

It is an amenable number.

1028218137 is a deficient number, since it is larger than the sum of its proper divisors (386963943).

1028218137 is a wasteful number, since it uses less digits than its factorization.

1028218137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056143.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 1028218137 is about 32065.8406563745. The cubic root of 1028218137 is about 1009.3189333873.

The spelling of 1028218137 in words is "one billion, twenty-eight million, two hundred eighteen thousand, one hundred thirty-seven".