1098362137 has 4 divisors (see below), whose sum is σ = 1109685556. Its totient is φ = 1087038720.

The previous prime is 1098362123. The next prime is 1098362143. The reversal of 1098362137 is 7312638901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7312638901 = 131 ⋅55821671.

It can be written as a sum of positive squares in 2 ways, for example, as 246364416 + 851997721 = 15696^2 + 29189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098362137 - 2¹⁵ = 1098329369 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 1098362137.

It is not an unprimeable number, because it can be changed into a prime (1098362107) 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, 5661564 + ... + 5661757.

It is an arithmetic number, because the mean of its divisors is an integer number (277421389).

Almost surely, 2^1098362137 is an apocalyptic number.

It is an amenable number.

1098362137 is a deficient number, since it is larger than the sum of its proper divisors (11323419).

1098362137 is an equidigital number, since it uses as much as digits as its factorization.

1098362137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323418.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1098362137 is about 33141.5469916538. The cubic root of 1098362137 is about 1031.7675175018.

The spelling of 1098362137 in words is "one billion, ninety-eight million, three hundred sixty-two thousand, one hundred thirty-seven".