1098134237 has 4 divisors (see below), whose sum is σ = 1099330080. Its totient is φ = 1096938396.

The previous prime is 1098134183. The next prime is 1098134249. The reversal of 1098134237 is 7324318901.

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 1098134237 - 2²² = 1093939933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1098134237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098134267) 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, 596543 + ... + 598380.

It is an arithmetic number, because the mean of its divisors is an integer number (274832520).

Almost surely, 2^1098134237 is an apocalyptic number.

It is an amenable number.

1098134237 is a deficient number, since it is larger than the sum of its proper divisors (1195843).

1098134237 is an equidigital number, since it uses as much as digits as its factorization.

1098134237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195842.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1098134237 is about 33138.1085308139. The cubic root of 1098134237 is about 1031.6961518219.

The spelling of 1098134237 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, two hundred thirty-seven".